Rectangular prism and cylinder
Answer:
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Step-by-step explanation:
Answer:
-2x³ + 16x² + x - 15
Step-by-step explanation:
Multiply the equation in the right bracket with the minus sign
3x3 + 12x2 - 10 - 5x3 + 4x2 + x - 5
Collect like terms
= 3x3 - 5x3 +12x2 + 4x2 + x - 10 - 5
= -2x³ + 16x² + x - 15