Answer:
5x^3−7x^2
Step-by-step explanation:
i think at least
- x³ - 9x²
Given
- (3x³ + x² ) + 2(x³ - 4x² ) ← distribute both parenthesis
= - 3x³ - x² + 2x³ - 8x² ← collect like terms
= - x³ - 9x²
step 2 i believe is the answer
can u plzz explain me the question