Ashipment of 288 reams of paper was delivered. each of the 30 classrooms recieved an equal share of the paper. any extra reams of paper were stored. after the paper was distributed to the classrooms, how many reams of paper were stored?

-5 √x = -15

to isolate x you must first divide -5 to both sides. since -5 is being multiplied by √x, division (the opposite of multiplication) will cancel -5 out (in this case it will make -5 one) from the left side and bring it over to the right side.

=

= 3

to solve this you must get rid of the square root. the opposite of square root is square. you must square both sides since what you do to one side you must do to the other.

()² = 3²

a. x = 9

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