natgroy12 natgroy12

21-01-2022
Mathematics

contestada

I feel like I did something wrong can somebody confirm the answer and how to do this:

-3x^2+(15x^2)

Respuesta :

w6b54vcbdq w6b54vcbdq

21-01-2022

Since both have the variable (x) to the same power (2) we simply add the two coefficients together (-3+15) so we get 12x^2

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harpsickle213 harpsickle213

21-01-2022

12x^2

if you take away the x^2 on either side do -3 + 15 to get twelve then add the x^2 each side

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