Question

Simplify (3x+5)^2-(3x-5)^2​

Answer 1

Answer: 60x

Step-by-step explanation:

This question is actually of the form-

$a^{2} -b^{2} = (a+b)(a-b)\\\\\\Here\\a= 3x+5 \\ b= 3x-5\\\\Therefore, \\(a+b)(a-b) = (3x+5+3x-5) (3x+5-(3x-5))\\\\\\ =(6x) * (10)\\\\\\=60x$