Sarah solved a quadratic equation. Her work is shown below, with Step 1 missing.
What could Sa...
Mathematics, 19.05.2020 16:18, onewaydemon
Sarah solved a quadratic equation. Her work is shown below, with Step 1 missing.
What could Sarah have written as the result from Step 1?
2(x + 1)2 +6 = 134
Step 1
(x+1)2 – 64
Step 2
2+1 =18
Step 3
x = -9 or x = 7 Step 4
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