3 years ago

What is 3x^2 - 2x - 4 multiplied by 2x^2 + x - 3 Explain the steps.

2 answers:

5 0

(3x²-2x-4)(2x²+x-3)=3x²(2x²+x-3)-2x(2x²+x-3)-4(2x²+x-3)=
=6x⁴+3x³-9x²-(4x³+2x²-6x)-(8x²+4x-12)=
=6x⁴+3x³-9x²-4x³-2x²+6x-8x²-4x+12=
=6x⁴-x³-x²+2x+12

iVinArrow [24]3 years ago

3 0

(3x² - 2x - 4)(2x² + x - 3)
6x⁴ + 3x³ - 9x² - 4x³ - 2x² + 6x - 8x² - 4x + 12
6x⁴ + 3x³ - 4x³ - 9x² - 2x² - 8x² + 6x - 4x + 12
6x⁴ - x³ - 19x² + 2x + 12

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