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Solve for x in the equation x^2 + 20x + 100 =36
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Solve for x in the equation x^2 + 20x + 100 =36

User Ernestine
by
3.5k points

2 Answers

4 votes

Answer: A.) x = -16 or x = -4

Explanation:

correct on Edge 2021 ✅

User Mythbu
by
2.9k points
6 votes

Answer:

x1 = -4, x2 = -16

Explanation:

1.- equal the equation to 0

x^2 + 20x + 100 - 36 = 0

x^2 + 20x + 64

2.- factor to simplify.

(x + 4)(x + 16) = 0

3.- equal each factor to 0 and solve for x.

x + 4 = 0, x = -4

x + 16 = 0, x = -16

User Kim Ras
by
3.9k points
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