If x = 2 and y = -2 then find the value of 7x^2 – 3xy +5y^2
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Answer:
60.
Explanation:
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Given
X=2
Y=(-2)
Answer:
7x*2=7(2)*2
=14*2
=28
-3xy+5y*2
=3(2)(-2)+5(-2)*2
=3(-4)+(-10)*2
=-12+-20
=32
32 IS THE FINAL ANSWER.
X=2
Y=(-2)
Answer:
7x*2=7(2)*2
=14*2
=28
-3xy+5y*2
=3(2)(-2)+5(-2)*2
=3(-4)+(-10)*2
=-12+-20
=32
32 IS THE FINAL ANSWER.
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