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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)]

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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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)]

asked
User Ruyili
by
8.2k points

1 Answer

1 vote
Solve the equation by completing the square.

x2 + 18x = 5
.
.The solutions are ___ and ___.
answered
User Tomer Cagan
by
7.9k points
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