Question #319648

Subtracting the sum of 4𝑥 − 𝑥 3 and −𝑥 + 5 from −6 − 4𝑥 3 + 3𝑥

[1] 6𝑥 3 − 11

[2] −3𝑥 3 − 11

[3] −3𝑥 3 + 7𝑥 − 1

[4] 6𝑥 3 + 7𝑥 − 11


1
Expert's answer
2022-03-29T16:47:41-0400

64𝑥3+3𝑥(4𝑥𝑥3𝑥+5)=64𝑥3+3𝑥4𝑥+𝑥3+𝑥5=3x311.−6 − 4𝑥^3 + 3𝑥 - (4𝑥 − 𝑥^3 − 𝑥 + 5) = −6 − 4𝑥^3 + 3𝑥 - 4𝑥 + 𝑥^3 + 𝑥 - 5 = -3x^3 - 11.

So, the correct answer is [2].


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