a) \(ab+ac=a.\left(b+c\right)\)

b) \(ab-ac+ad=a.\left(b-c+d\right)\)

c) \(ax-bx-cx-dx=x.\left(a-b-c-d\right)\)

d) \(a.\left(b+c\right)-d.\left(b+c\right)=ab+ac-db-dc=b.\left(a-d\right)+c.\left(a-d\right)=\left(a-d\right).\left(b+c\right)\)

e) \(ac-ad+bc-bd=a.\left(c-d\right)+b.\left(c-d\right)=\left(c-d\right).\left(a+b\right)\)

f) \(ax+by+bx+ay=a.\left(x+y\right)+b.\left(y+x\right)=\left(x+y\right).\left(a+b\right)\)

CHÚC BN HỌC TỐT!!!!!

ab + ac = a(b + c)

ab - ac + ad = a(b - c + d)

ax - bx - cx + dx

=x(a - b - c + d)

chuẩn men

ab+ac=a(b+c)

ab-ac+ad=a(b-c+d)

ax-bx-cx+dx=x(a-b-c+d)

a, \(ab+ac\)

\(=a\left(b+c\right)\)

b, \(ab-ac+ad\)

\(=a\left(b-c+d\right)\)

c, \(ax-bx-cx+dx\)

\(=x\left(a-b-c+d\right)\)

d, \(a\left(b+c\right)-d\left(b+c\right)\)

\(=\left(b+c\right)\left(a-d\right)\)

\(a)ab+ac=a\left(b+c\right)\)

\(b)ab-ac+ad=a\left(b-c+d\right)\)

\(c)ax-bx-cx+dx=x\left(a-b-c+d\right)\)

\(d)a\left(b+c\right)-d\left(b+c\right)=\left(b+c\right)\left(a-d\right)\)

\(e)ac-ad+bc-bd=a\left(c-d\right)+b\left(c-d\right)=\left(a+b\right)\left(c-d\right)\)

\(g)ax+by+bx+ay=\left(ax+bx\right)+\left(ay+by\right)=x\left(a+b\right)+y\left(a+b\right)=\left(x+y\right)\left(a+b\right)\)

1/ ab+ac=a.b+a.c=a(b+c)

1) \(ab+ac=a\left(b+c\right)\)

2) \(ab-ac+ad=a\left(b-c+d\right)\)

3) \(ax-bx-cx+dx=x\left(a-b-c+d\right)\)

4) \(a\left(b+c\right)-d\left(b+c\right)=\left(a-d\right)\left(b+c\right)\)

5) \(ac-ad+bc-bd=a\left(c-d\right)+b\left(c-d\right)=\left(a+b\right)\left(c-d\right)\)

6) \(ax+by+bx+ay=a\left(x+y\right)+b\left(y+x\right)\)  \(=\left(a+b\right)\left(x+y\right)\)

1. a*(b+c)

2. a*(b-c-d)

3. (a-b-c-d)*x

4. (a-d)*(b+c)

5. (a+b)*c-d*(a+b)

6. (a+b)*x+(a+b)*y

6. 

1) ab + ac = a(b + c)

2) ab - ac + ad = a(b - c + d)

3) ax - bx - cx + dx = x(a - b - c + d)

4) a(b + c) - d(b + c) = (b + c)(a - d)

5) ac - ad + bc - bd = a(c - d) + b(c - d) = (c - d)(a + b)

6) ax + by + bx + ay = (ax + ay) + (bx + by) = a(x + y) + b(x + y) = (x + y)(a + b)

1. ab + ac = a.(b + c)

2. ab - ac + ad = a.(b - c + d)

3. ax - bx - cx + dx = x.(a - b - c + d)

4. a.(b + c) - b.(b + c) = (b + c).(a - b)

5. ac - ad + bc - bd = a.(c - d) + b.(c - d) = (c - d).(a + b)

6. ax + by + bx + ay = a.(x + y) + b.(x + y) = (x + y) . (a + b)

50

10

40

12

4

6

1) a(b+c)

2) a(b-c+d)

3) x(a-c+d)

4) (b+c).(a-d)

5 (c-d).(a+b)

6) (a+b).(x+y)

1/ ab +  ac =a(b+c)

2/ ab - ac + ad=a(b-c+d)

3/ ax - bx - cx + dx=x(a-b-c+d)

4/ a(b+c) - d (b+c)=(b+c)(a-d)

5/ ac - ad + bc - bd=(a+b)(c-d)

6/ ax + by + bx + ay=(a+b)(x+y)

1/a(b+c)

2/a(b-c+d)

3/x(a-b-c+d)

4/(b+c)(a-d)

5/a(c-d)+b(c-d)=(a+b)(c-d)

6/a(x+y)+b(x+y)=(a+b)(x+y)

1, ab+ac=a(b+c)

2,ab-ac+ad=a(b-c+d)

3,ax-bx-cx+dx=x(a-b-c+d)

4,a(b+c)-d(b+c)=(b+c)(a-d)

5,ac-ad+bc-bd=a(c-d)+b(c-d)=(a+b)(c-d)

6,ax+by+bx+ay=a(x+y)+b(x+y)=(a+b)(x+y)

1, ab + ac = a(b+c)

2, ab - ac + ad = a(b-c+d)

3, ax-bx-cx+dx = x(a-b-c+d)

4, a(b+c) - d(b+c) = (a-d)(b+c)

5, ac-ad+bc-bd = a(c-d) + b(c-d) = (a+b)(c-d)

6, ax+by+bx+ay=ax+ay+bx+by=a(x+y)+b(x+y)=(a+b)(x+y)

a(b+c)
a(b-c+d)
x(a-b-c+d)
(b+c)(a-d)
a(c-d)+c(c-d)=(c-d)(a+c)
a(x+y)+b(x+y)=(x+y)(a+b)
T

a) ax(b+c)

b) ax(b-c+d)

c) X x(a-b-c+d)

e, f tương tự

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