Question

(2x+9) x (2x-7) using identity​

Answer 1

$\large 4x^{2}+4x-63$

Answer 2

(2x+9)(2x-7)
(2x+9)2x-7
(2x(2x-7)+9(2x-7))
(4x^2-14x+18x-63)
4x^2+4x-63