Question

Consider the equation:

x^2= -8x – 7
1) Rewrite the equation by completing the square.
Your equation should look like (2 + c)2 = dor (x – c)2 = d.
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2) What are the solutions to the equation?

Answer 1

Explanation:

Question 1:

x² = -8x - 7

x² + 8x = -7

(x + 4)² = 9

So the answer is (x + 4)² = 9

Question 2:

(x + 4)² = 9

So x = -4 ± 3