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08-10-2021
Mathematics

contestada

Simplify the expression by combining like terms. Then,
evaluate the expression by substituting the given values
for the variables.
x=5 and y=2
y^2 + xy – 7y^2

Respuesta :

lillyraven3 lillyraven3

08-10-2021

Answer:

-14

Step-by-step explanation:

The like terms in this equation is y^2 and -7y^2 so combining the two the equation becomes:

xy-6y^2

Then we substitute the values in:

5×2-6×2^2 = -14

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