Question

1-4x^2

help

Answer 1

=(1-2x)(1+2x)

Answer 2

\(1-4x^2=1^2-\left(2x\right)^2=\left(1-2x\right)\left(1+2x\right)\)

Answer 3

\(1-4x^2\\ =1^2-\left(2x\right)^2\\ =\left(1-2x\right)\left(1+2x\right)\)