Question

Answer 1

a: \(=\left(x-2\right)\left(x-7\right)\)

b: \(=x^2\left(x-1\right)^2\)

c: \(=2\left(x^2+5x+4\right)=2\left(x+1\right)\left(x+4\right)\)

d: \(=\left(x+2\right)\left(x+3\right)\)

e: \(=\left(x-7\right)\left(x+2\right)\)