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Mathematics, 13.12.2021 21:10 tus

The first step for deriving the quadratic formula from the quadratic equation, 0 = ax^2 + bx + c, is shown. Step 1: –c = ax^2 + bx

Which best explains or justifies Step 1?

subtraction property of equality
completing the square
factoring out the constant
zero property of multiplication

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