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OpenStudy (anonymous):
What is the value of the expression x2 + 15 – 3x when x = 4?
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OpenStudy (jhannybean):
just plug in x=4 into your equation.
OpenStudy (jhannybean):
\[\large (4)^2 +15 -3(4)\]
OpenStudy (jhannybean):
What do you get?
OpenStudy (anonymous):
ohhh
OpenStudy (jhannybean):
yep.
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