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25 August, 23:35

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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  1. 26 August, 00:02
    0
    Solve the equation by completing the square.

    x2 + 18 x = 5

    .

    . The solutions are ___ and ___.
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