What is the answer in the picture above
1 answer:
To solve this you must isolate x. First add 1 to both sides
x² - 1 + 1 = 0 + 1
x² = 1
Now you must take the square root of both sides to cancel out the square from the x
√x² = √1
x = 1 and x = -1
When you take the square root of a number you must remember to take both the positive and negative of the number
Hope this helped!
~Just a girl in love with Shawn Mendes
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4,100 meters. Hope it helped
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Step-by-step explanation:
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Add 7 to both sides:
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