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Mathematics 13 Online
OpenStudy (anonymous):

\[(-5)^{2}=?\]

OpenStudy (skullpatrol):

Any ideas?

OpenStudy (ashleyisakitty):

What is 5x5?

OpenStudy (skullpatrol):

$$b^2=b*b$$

OpenStudy (skullpatrol):

Replace b with -5.

OpenStudy (anonymous):

the answer is obvious

OpenStudy (anonymous):

25

OpenStudy (ashleyisakitty):

correct :) good job

OpenStudy (skullpatrol):

$$(-5)^2=(-5)*(-5)$$ $$b^2=b*b$$

OpenStudy (skullpatrol):

Recall when two numbers have the same sign their product is positive.

OpenStudy (skullpatrol):

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