Question

factorise the following:
1) 25x²-36
2) 36x²+49+8x
3) 9+25x²-30x​

Answer 1

Step-by-step explanation:

(i) 25x^-36

(5x)^-(6)^

(5x+6) (5x-6) ans

(ii)36x^+49+8x

sorry check your second question

(iii)9+25^-30x

rearrange this eqn

25x²-30x+9

(5x)²+(3)²-2(5)(3)

it is a form of (a-b)²

(5x-3)² ans