3 years ago

Is this Valid, or false? 5 less than is the difference of twice k and 12 when k equals 4.

1 answer:

7 0

The answer is valid.

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AURORKA [14]

Answer:

Option A. $2x^{3}+7x^{2}+12x-8$

Step-by-step explanation:

we have

$(x^{2}+4x+8)(2x-1)$

Applying the distributive property

$(x^{2}+4x+8)(2x-1) =x^{2}(2x)-x^{2} +4x(2x)-4x+8(2x)-8\\ \\=2x^{3}-x^{2} +8x^{2}-4x+16x-8\\ \\= 2x^{3}+7x^{2}+12x-8$

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rodikova [14]

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Sophie [7]

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2 years ago

ASHA 777 [7]

Answer:

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Step-by-step explanation:

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3 years ago

laila [671]

Answer:

235.3$ for part a

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2 years ago