Các câu hỏi tương tự
25 tháng 2 2023 lúc 14:40
Tính:
\(a)\left(-2x^2\right)\cdot\left(3x-4x^3+7-x^2\right)\)
\(b)\left(x+3\right)\cdot\left(2x^2-3x-5\right)\)
\(c)\left(-6x^5+7x^4-6x^3\right):3x^3\)
\(d)\left(9x^2-4\right):\left(3x+2\right)\)
\(e)\left(2x^4-13x^3+15x^2+11x-3\right):\left(x^2-4x-3\right)\)
Tìm \(x\) biết :
\(a)\)\(\left|5\left(2x+3\right)\right|+\left|2\left(2x+3\right)\right|+\left|2x+3\right|=16\)
\(b)\)\(\left|x^2+\left|6x-2\right|\right|=x^2+4\)
Help nhé T_T
Tìm x biết1) left(2x+3right)left(x-4right)+left(x-5right)left(x-2right)left(3x-5right)left(x-4right)2)left(8x-3right)left(3x+2right)-left(4x+7right)left(x+4right)left(2x+1right)left(5x+1right)-333)6xleft(3x+5right)-2xleft(9x-2right)+left(17-xright)left(x-1right)+xleft(x-18right)-17x^204)left(x-1right)left(x+2right)-left(x-3right)+5x-70Giúp mình nha. Camon nhiều
Đọc tiếp
Tìm x biết
1) \(\left(2x+3\right)\left(x-4\right)+\left(x-5\right)\left(x-2\right)=\left(3x-5\right)\left(x-4\right)\)
2)\(\left(8x-3\right)\left(3x+2\right)-\left(4x+7\right)\left(x+4\right)=\left(2x+1\right)\left(5x+1\right)-33\)
3)\(6x\left(3x+5\right)-2x\left(9x-2\right)+\left(17-x\right)\left(x-1\right)+x\left(x-18\right)-17x^2=0\)
4)\(\left(x-1\right)\left(x+2\right)-\left(x-3\right)+5x-7=0\)
Giúp mình nha. Camon nhiều
Tìm x biết \(\left|5\left(2x+3\right)\right|+\left|2\left(2x+3\right)\right|+\left|2x+3\right|=16\)
Tìm x và y biết:
a) \(x^3y=xy^3+1997\)
b) \(x+y+9=xy-7\)
c) \(\left|5\left(2x-3\right)\right|+\left|2\left(2x+3\right)\right|+\left|2x+3\right|=16\)
d) \(\left|x^2+\left|6x-2\right|\right|=x^2+4\)
Tìm nghiệm đa thức sau:
\(a.B\left(x\right)=\left(x+\frac{1}{2}\right).\left(x-3\right)\\ b.D\left(x\right)=x^2-x\\ c.E\left(x^3+8\right)\\ d.F\left(x\right)=2x-5+\left(x-17\right)\)
\(e.C\left(x\right)=x^2-9\\ f.A\left(x\right)=x^2-4x\\ g.H\left(x\right)=\left(2x+4\right).\left(7-14x\right)\)
\(h.G\left(x\right)=\left(3x-5\right)-\left(18-6x\right)\)
Bài 4 : Tìm x, biết :a ) left|4-2xright|+left|x+3right|8b ) left|x+1right|+left|x-2right|+left|x+3right|6c ) left|x-2right|+left|x-3right|+left|4-xright|2d ) 2left|x+2right|+left|4-3xright|11e ) left|2x-1right|+left|2x-5right|4g ) left|x-3right|+left|3x+4right|left|2x+1right|
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Bài 4 : Tìm \(x\), biết :
a ) \(\left|4-2x\right|+\left|x+3\right|=8\)
b ) \(\left|x+1\right|+\left|x-2\right|+\left|x+3\right|=6\)
c ) \(\left|x-2\right|+\left|x-3\right|+\left|4-x\right|=2\)
d ) \(2\left|x+2\right|+\left|4-3x\right|=11\)
e ) \(\left|2x-1\right|+\left|2x-5\right|=4\)
g ) \(\left|x-3\right|+\left|3x+4\right|=\left|2x+1\right|\)
8 tháng 11 2021 lúc 15:56
a)∣∣x2+∣∣6x−2||=x2+4
b)\(\left|2x+3\right|-2\left|4-x\right|=5\)
c)\(\left|x+3\right|+\left|x+1\right|=3x\)
16 tháng 4 2023 lúc 22:38
\(A\left(x\right)=2x^3+4x^2-x-1\)
+
\(B\left(x\right)=2x^3-2x^2-x-3\)
=\(P\left(x\right)=4x^3-6x^2-4\)
(a): đúng
(b): sai