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17-07-2020
Mathematics

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Geena decided to solve the quadratic x2 + 6x = 8. Which of the following steps is where Geena made her first mistake? x2 + 6x = 8 Step 1: x2 + 6x + 8 = 0 Step 2: (x + 4)(x + 2) = 8 Step 3: x = -4 and x = -2

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zubam2002 zubam2002

17-07-2020

Answer:

Step 2: (x + 4)(x + 2) = 8

Step-by-step explanation:

x2 + 6x + 8 = 0

x2 + 4x + 2x + 8 = 0

x(x + 4) + 2(x + 4) = 0

(x + 2)(x + 4) = 0

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