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brilliants [131]
3 years ago
9

Solve for x write the smaller solution first and the larger solution second. Round to two decimal places (x+8)^2-7=0

Mathematics
1 answer:
siniylev [52]3 years ago
4 0

Answer:

x ≈ - 10.65, x ≈ - 5.35

Step-by-step explanation:

Given

(x + 8)² - 7 = 0 ( add 7 to both sides )

(x + 8)² = 7 ( take the square root of both sides )

x + 8 = ± \sqrt{7} ( subtract 8 from both sides )

x = - 8 ± \sqrt{7} , thus

x = - 8 - \sqrt{7} ≈ - 10.65

x = - 8 + \sqrt{7} ≈ - 5.35

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