4x^2+7=16

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Solution for 4x^2+7=16 equation: 


Simplifying
4x2 + 7 = 16

Reorder the terms:
7 + 4x2 = 16

Solving
7 + 4x2 = 16

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-7' to each side of the equation.
7 + -7 + 4x2 = 16 + -7

Combine like terms: 7 + -7 = 0
0 + 4x2 = 16 + -7
4x2 = 16 + -7

Combine like terms: 16 + -7 = 9
4x2 = 9

Divide each side by '4'.
x2 = 2.25

Simplifying
x2 = 2.25

Take the square root of each side:
x = {-1.5, 1.5}

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