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Mathematics 7 Online
OpenStudy (anonymous):

Evaluate the expression below when x = 3. 5x2 - 12 over x + 3 a. 3 b. 11 over 3 c. 11 over 2 d. 26 over 3

OpenStudy (skullpatrol):

Any ideas?

OpenStudy (anonymous):

It's skullpatrol's 2 favorite words ; )

OpenStudy (skullpatrol):

$$\Huge \text {:D}$$

OpenStudy (anonymous):

so whats the answer? @skullpatrol

OpenStudy (skullpatrol):

$$\Huge \frac{5x^2 - 12}{ x + 3}$$

OpenStudy (skullpatrol):

x = 3 means replace x with 3 and simplify

OpenStudy (anonymous):

so d or b im guessing?

OpenStudy (skullpatrol):

$$\Huge \frac{5*3^2 - 12}{ 3 + 3}$$

OpenStudy (anonymous):

do u know the answer idk

OpenStudy (skullpatrol):

Try and simplify please...

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