Step-by-step explanation:
7(36-2c+4)
=252 - 14c + 28
=310 - 14c
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- Evaluate the expression ⇨ (-6) squared.
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
This will be equal to..
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Multiply -6 by itself (squaring a number means to multiply the number by itself twice)
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-6 multiplied by-6 will get you 36 as the answer.
