ashcoste12 ashcoste12

13-01-2020
Mathematics

contestada

Simplify (7x2 - 2x + 9) + (3x2 + 15x – 4).

10x² + 13x + 5
10x2 – 13x - 5
10x2 + 17x + 13
10x2 - 17x – 13

Respuesta :

sofiadudley sofiadudley

13-01-2020

Hey! Your answer for this is

7x^2 + 3x^2 = 10x^2

-2x + 15x = 13x

9 - 4 = 5

Hence, 10x^2 + 13x + 5.

Hope this helps!

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