5(4x^2+9)-20=0

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Solution for 5(4x^2+9)-20=0 equation:


Simplifying
5(4x2 + 9) + -20 = 0

Reorder the terms:
5(9 + 4x2) + -20 = 0
(9 * 5 + 4x2 * 5) + -20 = 0
(45 + 20x2) + -20 = 0

Reorder the terms:
45 + -20 + 20x2 = 0

Combine like terms: 45 + -20 = 25
25 + 20x2 = 0

Solving
25 + 20x2 = 0

Solving for variable 'x'.

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

Add '-25' to each side of the equation.
25 + -25 + 20x2 = 0 + -25

Combine like terms: 25 + -25 = 0
0 + 20x2 = 0 + -25
20x2 = 0 + -25

Combine like terms: 0 + -25 = -25
20x2 = -25

Divide each side by '20'.
x2 = -1.25

Simplifying
x2 = -1.25

Reorder the terms:
1.25 + x2 = -1.25 + 1.25

Combine like terms: -1.25 + 1.25 = 0.00
1.25 + x2 = 0.00

The solution to this equation could not be determined.

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