Question

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

Answer 1

Answer:

0

Step-by-step explanation:

Answer 2

hi mate,

solution: (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

i hope it helps you.