joelpimentel joelpimentel

19-05-2018
Mathematics

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PLEASE ANSWER + BRAINLIEST!!!

What is the value of 3x^2 - 5xy + 5y^2 for x = -6 and y = 2?

A. -68

B. -4

C. 188

D. 208

Respuesta :

tatothetree tatothetree

19-05-2018

If you put in x for -6 and y for 2, you get 3(-6)^2 - 5(-6)(2) + 5(2)^2.

Simplifying all the numbers, it's 3(36) + 30(2) + 5(4), and then 108+60+20. Going along, you get 188

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