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madam [21]
4 years ago
11

Multiply the following polynomials and write the resulting polynomial in descending order. (3x-8)(2x^2+4x-9)

Mathematics
2 answers:
Aleksandr [31]4 years ago
6 0

Answer:

The resulting polynomial is:

6x^3-4x^2-59x+72

Step-by-step explanation:

We have to multiply the polynomials:

(3x-8)(2x^2+4x-9)\\\\=3x(2x^2+4x-9)-8(2x^2+4x-9)\\\\=6x^3+12x^2-27x-16x^2-32x+72\\\\=6x^3-4x^2-59x+72

Hence, the resulting polynomial is:

6x^3-4x^2-59x+72

Ray Of Light [21]4 years ago
3 0
The product of the polynomial will be:
<span>(3x-8)(2x^2+4x-9)
=3x(2x^2+4x-9)-8(2x^2+4x-9)
=6x^3+12x^2-27x-16x^2-32x+72
=6x^3-4x^2-59x+72

The answer: </span>6x^3-4x^2-59x+72<span>

</span>
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