chrystinaa chrystinaa

21-05-2018
Mathematics

contestada

The area of a rectangle is 8x3 + 6x2 - 10x. The width of the rectangle is 2x. Find the length of the rectangle.

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theweeknd14 theweeknd14

21-05-2018

2x multiplies to all numbers:
2x x 8x3 = 16x4
2x x 6x2 = 12x3
2x x -10x = -20x2

Answer: 16x4 + 12x³ - 20x²

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