Question

factorize : 1 - 9x²

Answer 1

Answer:

Rewrite 1 as 12 . Rewrite 9x2 9 x 2 as (3x)2 ( 3 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=3x b = 3 x .

Step-by-step explanation:

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