Question

Factorise 1. x² - 49​

Answer 1

Answer:

x²-(7)²

=(x-7) (x+7)

Step-by-step explanation:

hopes it helps you plz follow and drop me thanks

Answer 2

Answer:

(x±7)(x±7)

Step-by-step explanation:

x^2 -49

=> x^2 -7^2

=> using the formula a^2 - b^2= (a±b)(a±b)

=> x^2 - 7^2 = (x±7)(x±7)