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OpenStudy (anonymous):
Evaluate 2x^2− 5y when x = -3 and y = 4.
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jigglypuff314 (jigglypuff314):
to solve for 2x^2− 5y plug in -3 for x and 4 for y so 2(-3)^2 - 5(4) 2(-3)(-3) - 5(4) then multiply 2(9) - 20 18 - 20 then you simplify and that's your answer
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