Question

Please solve this by using algebraic identify and name it also. And please show the steps that how you got your answer .

(2a+3b)(2a-b)

Answer 1

hi friend ✋


(a+b)(a-b)=a²-b² is identity number (iii) which I am going to us


I hope your question is (2a+3b)(2a-3b)

by applying identity no (iii)

(2a+3b)(2a-3b)=(2a)²-(3b)²

=4a²-9b²



hope it helps