Question

(3x + 5y)^2 - (2x - 4y)^2 expand and simplify​

Answer 1

Answer:

5x^2 + 9y^2 +46xy

Step-by-step explanation:

9x^2 + 25y^2 + 30xy -4x^2 - 16y^2+16xy

5x^2 + 9y^2 +46xy

or simply solve using formula

A^2 -B^2 = (A+B)(A-B)