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Scorpion4ik [409]
3 years ago
7

Which statement shows two polynomials 4x+6 and 2x^2-8x demonstrating the closure property when multiplied?

Mathematics
1 answer:
melisa1 [442]3 years ago
6 0
The correct answer for the given mathematical question above would be option A. The statement that shows two polynomials 4x + 6 and 2x^2-8x demonstrating the closure property when multiplied is that, 8x^3-20x^2-48x is a polynomial. The answer is option A for the given reason: <span>(4x+6)(2x^2 -8x)= 8x^3 -20x^2 -48x</span>
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\displaystyle \large{16 = (8 \times x) + (8 \times ( - 5))} \\  \displaystyle \large{16 = 8x - 40}

Move -40 to another side and change from -40 to 40.

\displaystyle \large{16 + 40 = 8x} \\    \displaystyle \large{56= 8x} \\

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Hence, the answer is:

\displaystyle \large \boxed{x = 7} \\

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3 years ago
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