Question

factorise 100 - (X - 2)²​

Answer 1

Answer:

(x+10) (x-10)

Step-by-step explanation:

Since both terms are perfect squares, factor using the difference of squares formula, a2−b2=(a+b)(a−b)a2-b2=(a+b)(a-b) where a=xa=x and b=10b=10.