The answer to the question
Answer:
-9
Step-by-step explanation:
2(-x)² - 5 = 157
2x² - 5 = 157
add 5 to each side of the equation:
2x² = 162
divide both sides by 2:
x² = 81
√81 = 9 or -9
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I have a little bit of a little bit more about to get a new one and but I’m going back to the office now and I’m not sure if you want Step-by-step explanation:
Answer:
36.875 inches
Step-by-step explanation: