Question

simplify (5a+3b) 3 - (5a-3b) 3

Answer 1

(5a+3b)³-(5a-3b)³

= (5a)³+3*(5a)²*3b+3*5a*(3b)²+(3b)³- [(5a)³-3*(5a)²*3b+3*5a*(3b)²-(3b)³]
=(5a)³+3*(5a)²*3b+3*5a*(3b)²+(3b)³-(5a)³+3*(5a)²*3b-3*5a*(3b)²+(3b)³
=2*3*(5a)²*3b+2*(3b)³
=450a²b+54b³

Answer 2

Answer:

YOUR ANSWER IS IN THE ATTACHMENT. HOP IT WILL HELPS U