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OpenStudy (anonymous):
Evaluate the expression below when x = -1. 2x2 − 5 x + 9
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Nnesha (nnesha):
replace x by -1 and then solve
OpenStudy (anonymous):
dont know how to solve
OpenStudy (welshfella):
2(-1)^2 -5 = ?
OpenStudy (anonymous):
Evaluate the expression below when x = -1. 2x2 − 5 x + 9 -7 8 -3 8 -1 8 -1
OpenStudy (welshfella):
What is (-1)^2?
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OpenStudy (anonymous):
idk i put all the answers up here
OpenStudy (welshfella):
(-1)^2 = -1 times -1= ?
OpenStudy (welshfella):
1 times 1 = 1 and - times - = +
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