14-11-2018
Mathematics

contestada

add (7x^2-2x+19)+(2x^2-7x+4)
and please show me the steps of how you got the answer

Respuesta :

Ammimochi Ammimochi

14-11-2018

Simplify

7x^2 - 2x + 19 + 2x^2 - 7x + 4

Collect like terms;

(7x^2 + 2x^2) + (-2x - 7x) + (19 + 4)

Simplify

9x^2 - 9x + 23

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