Question

solve X2-9=0 by factorisation method​

Answer 1

look dear ,

u must be familiar with formula of

a^2 - b^2

which is = (a + b)(a- b)

so we can write x^2 - 9 as

(x +3)(x - 3) = 0

so x will be = 3, -3.

please give me brainliest

Answer 2

the factors of the x²-9=(x+3)(x-3)

hope my answer is correct and it is helpful to you if it is helpful to you please mark me as brainlist..