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4 years ago

P(x)=2x2+6x−7 and q(x)=3x2−2x−8. What is p(x)⋅q(x)?

1 answer:

5 0

<span>P(x)=2x2+6x−7 and q(x)=3x2−2x−8.

What is p(x)⋅q(x)?

</span>p(x)⋅q(x) = 2x^2 + 6x −7 - (3x^2−2x−8)
p(x)⋅q(x) = 2x^2 + 6x −7 - 3x^2 + 2x+ 8
p(x)⋅q(x) = -x^2 + 8x + 1

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vazorg [7]

If you find the volume of each figure separately then add them together, then you'd get your answer.

The formula for volume is V=Base Area*Height, V=BH
So the volume of the smaller cube is 210.
This is because the base area is 15*14. Multiply this by the height, 16, then you get 210.

The volume of the second cube is 25,100. This is because 15+16 is 31. 31*27*30 is 25,100.

If you add both of these volumes together, you're final answer is 25,310 units cubed.

Hope this helped :)

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3 years ago

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yan [13]

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4 years ago

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galina1969 [7]

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