Question

factorize 5x^2-7x^2​

Answer 1

Answer:

5x^2-7x^2 [given question]

=(5x)^2-(7x)^2

(5x+6x)(5x-6x) [using the identity:

[using the identity: a^2-b^2=(a+b)(a-b)]

=11x(-x)

=-11x