Question

evaluate using identity =(3*2-4xy)(3*2+4xy)

Answer 1

(a+b)(a-b)=a^2-b^2

a=3x2 b=4xy

(3x2-4xy)(3x2+4xy)=(3x2)^2-(4xy)^2

= 36 -(16 x^2 y^2)

Answer 2

DEAR STUDENT,

Kindly refer to the attached paper for a detailed explanation and step by step solution along with vital elaborations to reach out fated conclusion or required answer to this question that is,

$\boxed{\bf{\underline{9x^4 - 16x^2y^2}}}$

Which is the required solution for this type of query.

Hope this helps you and solves tour doubts for applying rules of squares formula to obtain the answer!!!!