Question

To solve the equation: 4x2=100
you would use the inverse operation to get the equation: x2=25
. You would then use the inverse operation to get x = because both values make the equation true when you substitute in for x in the original equation.
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Answer 1

First inverse operation: divide both sides by 4 to get x^2 = 25.

Second inverse operation: take the square root of both sides to get x = ±5 (x = 5 or x = −5). Both satisfy 4x^2 = 100 (4·25 = 100).