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r-ruslan [8.4K]
3 years ago
5

8x^4+24x^3-27x-81 what is the polynomial factor?

Mathematics
1 answer:
kvasek [131]3 years ago
3 0

8x^4+24x^3-27x-81=8x^3(x+3)-27(x+3)\\\\=(x+3)(8x^3-27)=(x+3)(2^3x^3-3^3)=(x+3)[(2x)^3-3^3]\\\\\text{use}\ a^3-b^3=(a-b)(a^2+ab+b^2)\\\\=(x+3)(2x-3)[(2x)^2+(2x)(3)+3^2]\\\\=\boxed{(x+3)(2x-3)(4x^2+6x+9)}

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slamgirl [31]

Answer:

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Step-by-step explanation:

-45=5y

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2 years ago
How do you solve 8x-2y=24
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4 0
3 years ago
On Friday, the temperature was 82°F. The temperature changed by -2°F on Saturday, and then it changed by 2°F on Sunday.
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Will give brainliest answer to whoever answers correctly and explains how they got their answer. I've been working on this for h
Oksanka [162]
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A2 = 1027 m^2
5 0
3 years ago
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