Question

Simplify: (3x – 4) (3x - 4) by using suitable identity.​

Answer 1

(3 × + 4) 3×-4) is equal to

3×^2-4^2

reason

(3×+4)(3×-4)

=3×^2+12×-12×-4^2

cancelled

=3×^2-4^2