devincjo devincjo

02-02-2021
Mathematics

contestada

(5x2 − 9x + 2) + (−3x2 + 2x + 4)

Respuesta :

jasminesilva2907 jasminesilva2907

02-02-2021

Eliminate redundant parentheses
(5x 2 - 9x +2 ) + ( -3x2 + 2x 4)
5x 2-9x+2 -3x2+ 2x +4

Add the numbers
5x2 -9x +2 -3x2 +2x+4
5x2 -9x +6 -3x2 + 2x

Combine like terms
5x2 -9x +6 - 3x2 +2x
2x2 -9x +6 + 2x

Combine like terms
2x2 -9x +6 +2x
2x2 -7x +6

Solution
2x2 - 7x +6

Answer Link

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