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Mathematics 20 Online
OpenStudy (anonymous):

Algebraic Expressions : Evaluate 3x - y^2 for x = -3/4 and y = -2/5

OpenStudy (sepeario):

Hi! Let me substitute it first and let's see if you can do some too. If we substitute the values we get: \[3*\frac{ -3 }{ 4 }-(\frac{ -2 }{ 5 })^{^2}\]

OpenStudy (sepeario):

Do you know how to evaluate that?

OpenStudy (anonymous):

you just multiply right?

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