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OpenStudy (anonymous):
Evaluate the expression below when x = -4. 4x2 - 2x × 15
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OpenStudy (anonymous):
put instead of x -4 => 4(-4)^2-2(-4)(15)=...
Directrix (directrix):
Is this 4x2 - 2x × 15 supposed to be 4x^2 - 2x + 15 ? I'm not understanding if the X between (2x) and 15 is a typo or something else. @princessXkay01
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