37 = −3 + 5(x + 6) multi step equation step by step pls

Multiply −2x(6x^4−7x^2+x−5) express the answer in standard form. enter your answer in the box.

Problem melissa is her dad build a walkway in their backyard. the walkway will be 54 feet long and 1.5 feet wide. the local hardware store sells tiles which are 1.5 by 1.5 feet and come in boxes of 12. how many boxes of tiles do they need?

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.