Friday 11 September 2015

DIFFERENCE OF 2 SQUARES 1


Factorize 9-h2

Solution

We use difference of two squares a2 – b2 = (a - b)(a + b)
9-h2 = 32-h2

        = (3 - h)(3 + h)

Hence 9-h2 = (3 - h)(3 + h)

TRY THIS…………….


Factorize 25-m2

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