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Mathematics 21 Online
OpenStudy (anonymous):

Evaluate the expression for x = 5: 5 * (x - 3)2 - 7

thomaster (thomaster):

\(\large 5*(~\underline{5}-3)2-7\)

OpenStudy (anonymous):

so do you know the answer

OpenStudy (anonymous):

is it 35

thomaster (thomaster):

no

thomaster (thomaster):

first (5*5)-(5*3)

OpenStudy (anonymous):

25 and 15

thomaster (thomaster):

yes 25-15 = 10 So now its: \(\large (10)2-7\)

thomaster (thomaster):

|dw:1371139820002:dw|

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