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Anonymous Anonymous
  • 10-10-2016
  • Mathematics
Answered

Simplify each expression. Justify each step.

1- (5n×9)×2n

2- 3X×(7×X)

3- (4m×2)×5m

4- (7+47+3)[5×(2×3)]

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YoMama666
YoMama666 YoMama666
  • 18-05-2017

Solve the equation by completing the square.

x2 + 18x = 5
.
.The solutions are ___ and ___.

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