Question

Subtract a ^ 4 + b ^ 3 + 3a ^ 2 * b ^ 2 - 7a * b ^ 3 from a ^ 3 + b ^ 4 + 3a ^ 2 * b ^ 2 - a​

Answer 1

Answer:

subtract 4a−7ab+3b+12 from 12a−9ab+5b−3

=12a−9ab+5b−3−(4a−7ab+3b+12)

=12a−9ab+5b−3−4a+7ab−3b−12

=8a−2ab+2b−15