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15 March, 02:32

Solve: 12^x2+5x-4 = 12^2x+6

x=2

x = - 5

x=2x=-5

no solution

+3
Answers (1)
  1. 15 March, 06:21
    0
    x=2

    Step-by-step explanation:

    12x^2+5x-4 = 12x^2+6

    Subtract 12x^2 from each side

    12^x2-12x^2+5x-4 = 12^2x-12x^2+6

    5x-4 = 6

    Add 4 to each side

    5x-4+4 = 6+4

    5x = 10

    Divide each side by 5

    5x/5 = 10/5

    x = 2
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