3 years ago

Hey answer this y2-x if y=7, x = - 7 the 2 is an exponent and show your work

1 answer:

3 0

Plug them in..
1. (7)^2-(-7) = (7)•(7)-(-7)
2. 49-(-7) = 49+7 (if you are subtracting a negative, change the sign to a plus and take out the negative)
3. Add, 56 is your answer

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