GiannaPapeo GiannaPapeo

26-09-2017
Mathematics

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Evaluate 3x^2 +2x-5 when x=4

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altavistard altavistard

28-09-2017

Replace each "x" in the original equation with (4):

3(4)^2 + 2(4) - 5
= 3(16) + 8 - 5 = 48 + 8 - 5. Can you finish this?

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