Asked by eddie

simplify 2x^7-9x^7

and

80 dollar shirt 30% off = ?
(how do i put this together)

Answers

Answered by Bosnian
2 x ^ 7 - 9 x ^ 7 = - 7 x ^ 7


100 % - 30 % = 70 % = 70 / 100 = 0.7

80 * 0.7 = 56 $
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