Question

factorise the following
i. a^2-(×+2)^2
ii. 81(a-b)^2-36(a+b)^2
iii. x^2/36-4
iv. -8xyz+2x^2+8y^2z^2​

Answer 1

Answer:

i. (a-x-2)(a+x-2)

iii. (x/6 - 2)(x/6 + 2)