Question

simplify (-a^4 +3a^3 -7) -(5a^4 -6a^2 +3)

Answer 1

(-a^4 +3a^3 -7) -(5a^4 -6a^2 +3)--->-a^4 +3a^3 -7 -5a^4 +6a^2 -3
Evaluate like terms:-a^4-5a^4, 3a^3,-7-3,+6a^2
Result: -6a^4+3a^3+6a^2 -10

Answer 2

Thanks for the help and showing your work.