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Evaluate the polynomial when x = 7 and y = -2 X^2 - y^2+xy
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Evaluate the polynomial when x = 7 and y = -2

X^2 - y^2+xy

User Mythul
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Hello

Evaluate the polynomial x²-y²+xy when x=7 and y=-2
(7)² - (-2)² +(7)(-2) = 49-4-14 =49-18 = 31
Important note : (-2)²=(-2)(-2) =4
User Jack Juiceson
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