Question

factorise a^2-(2a+3b)^2

Answer 1

Heya ☺

a^2 - (2a + 3b)^2

We apply these identity here

a^2 - b^2 = (a + b) (a - b)

(a)^2 - (2a + 3b)^2

= (a + 2a + 3b) (a - 2a - 3b)






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