Question

factorise
i) x²-225
ii) 289-a²
iii) 450-2x²
iv) 3m²-48n
v) m⁴-n⁴
vi) 5m⁴-125n⁴
vii) ay²-81ax²
viii) 20z²-45y²
GIVE ANSWER PLEASE​

Answer 1

Answer:

i) x=15

ii). a=-17

iii).x=15 (Yes again!)

iv).3(m+4n)(m-4n)

v).(m²+n²)(m+n)(m-n)

vi).5($m^{2}$$+ 5n^2$)($m^2-5n^2$)

vii).the question is senseless

viii).

Answer 2

Answer:

Refer the answer in the attachment!

The formula for the above problems is a^2-b^2= (a+b)(a-b)