=7x^2-38-15

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Solution for =7x^2-38-15 equation:


Simplifying
0 = 7x2 + -38 + -15

Reorder the terms:
0 = -38 + -15 + 7x2

Combine like terms: -38 + -15 = -53
0 = -53 + 7x2

Solving
0 = -53 + 7x2

Solving for variable 'x'.

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

Add '-7x2' to each side of the equation.
0 + -7x2 = -53 + 7x2 + -7x2
Remove the zero:
-7x2 = -53 + 7x2 + -7x2

Combine like terms: 7x2 + -7x2 = 0
-7x2 = -53 + 0
-7x2 = -53

Divide each side by '-7'.
x2 = 7.571428571

Simplifying
x2 = 7.571428571

Take the square root of each side:
x = {-2.751622898, 2.751622898}

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