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28 July, 20:24

The steps to derive the quadratic formula are shown below:

Step 1 ax2 + bx + c = 0

Step 2 ax2 + bx = - c

Step 3

Provide the next step to derive the quadratic formula.

A. a times the quantity x squared plus b over a times x end quantity equals negative c

B. x (ax + b) = - c

C. x squared over a plus b over a times x equals negative c over a

D. x squared over a plus b over a equals negative c over a

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Answers (2)
  1. 28 July, 20:34
    0
    A. a times the quantity x squared plus b over a times x end quantity equals negative c

    Step-by-step explanation:

    ax^2 + bx + c = 0

    Subtract c from each side

    ax^2 + bx+c-c = 0 - c

    ax^2 + bx = - c

    Now we factor out an a

    a (x^2 + b/a) = - c
  2. 28 July, 20:53
    0
    A. a times the quantity x squared plus b over a times x end quantity equals negative c

    Step-by-step explanation:

    Step 1 ax² + bx + c = 0

    Step 2 ax² + bx = - c

    Step 3 a (x² + (b/a) x) = - c
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