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Mathematics
Kathleen
19 April, 03:32
Solve: 4x^2=100
What's the answer
+1
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River Stokes
19 April, 04:36
0
x=5 or x=-5
Step-by-step explanation:
To solve this, we need to get x by itself.
4x^2=100
First, we need to get rid of the coefficient: 4. To do this, divide both sides by 4.
4x^2/4=100/4
x^2=25
x is being squared. To get rid of the exponent, take the square root of both sides.
x=5 or x=-5
If we want to check our answer, substitute 5 and - 5 in for x
4x^2=100
4 (5^2) = 100
4 (25) = 100
100=100
4x^2=100
4 (-5^2) = 100
4 (25) = 100
100=100
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Serena Heath
19 April, 05:44
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x=5 or - 5
Step-by-step explanation:
4x^2=100
x^2=25
x=5 or - 5
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