20 points!!! Answer: what is the Product of -2x^3 + x – 5 and x^3 – 3 x -4 (a) Show your work (B) is the product of -2^3 + x -5
and x^3 -3 x - 4 equal to the product of x^3 – 3 – 4 and -2x^3 + x – 5 ? explain your answer
1 answer:
Answer:
-2x^6 + 7x^4 + 3x³ - 3x² + 11x + 20
Step-by-step explanation:
(-2x³ + x - 5)(x³ - 3x - 4) = -2x^6 + 6x^4 + 8x³ + x^4 - 3x² - 4x - 5x³ + 15x + 20
= -2x^6 + 7x^4 + 3x³ - 3x² + 11x + 20
B is the same thing but switching which trinomial is written first.
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