Question

Find the factors of (1-4x^2)

Answer 1

Answer:

Rewrite 1 as 12 . Rewrite 4x2 4 x 2 as (2x)2 ( 2 x ) 2 . Since both terms are perfect squares, factor using the difference of squares formula, a2−b2=(a+b)(a−b) a 2 - b 2 = ( a + b ) ( a - b ) where a=1 and b=2x b = 2 x . Multiply 2 by −1 .

Answer 2

Answer:

±1/2

is the correct answer