\(a,x^2-5x+6\)
\(=x^2-2x-3x+6\)
\(=x\left(x-2\right)-3\left(x-2\right)\)
\(=\left(x-2\right)\left(x-3\right)\)
\(d,x^2-9x+18\)
\(=x^2-3x-6x+18\)
\(=x\left(x-3\right)-6\left(x-3\right)\)
\(=\left(x-3\right)\left(x-6\right)\)
\(g,x^2+6x+5\)
\(=x^2+5x+x+5\)
\(=x\left(x+5\right)+\left(x+5\right)\)
\(=\left(x+5\right)\left(x+1\right)\)
#Urushi
\(a,=x^2-2x-3x+6\)
\(=x\left(x-2\right)-3\left(x-2\right)\)
\(=\left(x-2\right)\left(x-3\right)\)
\(d,x^2-3x-6x+18\)
\(=x\left(x-3\right)-6\left(x-3\right)\)
\(=\left(x-3\right)\left(x-6\right)\)
\(g,=x^2+x+5x+5\)
\(=x\left(x+1\right)+5\left(x+1\right)\)
\(\left(x+1\right)\left(x+5\right)\)
a: =x^2-2x-3x+6
=x(x-2)-3(x-3)
=(x-3)(x-2)
d: =x^2-3x-6x+18
=x(x-3)-6(x-3)
=(x-3)(x-6)
g: =x^2+x+5x+5
=x(x+1)+5(x+1)
=(x+1)(x+5)