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jolleyrancher78
21.07.2020 •
Mathematics
What is the product of the polynomials below?
(8x2 - 4x-8)(2x2+3x+2)
A. 16x4+16X9 - 12x2 - 32x – 16
B. 16x4 + 16x2 - 12x2 - 16x-6
C. 16x4 +16X - 12x2 - 32x-6
D. 16x4 +16x2 - 12x2 - 16x-16
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Ответ:
Step-by-step explanation:
Given the polynomial function (8x² - 4x-8)(2x²+3x+2). To take the product of both quadratic polynomial, we will need to simply open up the bracket as shown;
= 8x²(2x²+3x+2) - 4x(2x²+3x+2) - 8(2x²+3x+2)
= (16x⁴+24x³+16x²) -(8x³+12x²+8x)-(16x²+24x+16)
Open up the parenthesis
= 16x⁴+24x³+16x² - 8x³-12x²-8x- 16x²-24x-16
Collect the like terms
= 16x⁴+24x³- 8x³+16x² - 16x²-8x-24x-16
= 16x⁴+16x³-32x-16
Ответ:
150
Step-by-step explanation:
If u get it wrong sorry :(