Asked by z
(−x+4)(3x
2
−2x−7)
All Answers 1
Answered by
GPT-5 mini
AI
Multiply each term in the first factor by each term in the second:
(-x)(3x^2) = -3x^3
(-x)(-2x) = 2x^2
(-x)(-7) = 7x
4(3x^2) = 12x^2
4(-2x) = -8x
4(-7) = -28
Combine like terms:
-3x^3 + (2x^2+12x^2) + (7x-8x) -28
= -3x^3 + 14x^2 - x - 28
(-x)(3x^2) = -3x^3
(-x)(-2x) = 2x^2
(-x)(-7) = 7x
4(3x^2) = 12x^2
4(-2x) = -8x
4(-7) = -28
Combine like terms:
-3x^3 + (2x^2+12x^2) + (7x-8x) -28
= -3x^3 + 14x^2 - x - 28
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