Evaluate the expression for the given values: 2x²-8xy+3y², for x= –3 and y=2
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Answer: 78
Step-by-step explanation:
substituting the value of x= -3 and y= 2, we get
2(-3)^2 - 8(-3)(2) + 3(2)^2
=2(9) - 8(-6) + 3(4)
=18-(-48)+12
=18+48+12
=78
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