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20 October, 23:47

A) x^3 - 16x = 0

b) x^2 + 2x - 8 = 0

c) 3x^2 + 8x = - 7

d) (x + 3) (2x - 9) = 0

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  1. 21 October, 00:08
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    A) 3x - 16x = 0

    -14x = 0

    b) 2x + 2x - 8 = 0

    4x = 8

    x = 2

    c) 9x + 8x = - 7

    17x = - 7

    d) 2x2 - 9x + 6x - 27 = 0

    2x2 - 3x = 27
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