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4 March, 11:10

X^2+4x=5

I need to factor this

+2
Answers (2)
  1. 4 March, 11:38
    0
    x² + 4x = 5

    x² + 4x - 5 = 5 - 5

    x² + 4x - 5 = 0

    x² + 5x - x - 5 = 0

    x (x) + x (5) - 1 (x) - 1 (5) = 0

    (x - 1) (x + 5) = 0

    x - 1 = 0 or x + 5 = 0

    + 1 + 1 - 5 - 5

    x = 1 x = - 5
  2. 4 March, 11:38
    0
    Let's solve your equation step-by-step.

    x² + 4x = 5

    Step 1: Subtract 5 from both sides.

    x² + 4x - 5 = 5 - 5

    x² + 4x - 5 = 0

    Step 2: Factor left side of equation.

    (x-1) (x+5) = 0

    Step 3: Set factors equal to 0.

    x-1 = 0 or x + 5 = 0

    x = 1 or x = - 5
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