(3*5-x^2)+5=84

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Solution for (3*5-x^2)+5=84 equation:


Simplifying
(3 * 5 + -1x2) + 5 = 84

Multiply 3 * 5
(15 + -1x2) + 5 = 84

Remove parenthesis around (15 + -1x2)
15 + -1x2 + 5 = 84

Reorder the terms:
15 + 5 + -1x2 = 84

Combine like terms: 15 + 5 = 20
20 + -1x2 = 84

Solving
20 + -1x2 = 84

Solving for variable 'x'.

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

Add '-20' to each side of the equation.
20 + -20 + -1x2 = 84 + -20

Combine like terms: 20 + -20 = 0
0 + -1x2 = 84 + -20
-1x2 = 84 + -20

Combine like terms: 84 + -20 = 64
-1x2 = 64

Divide each side by '-1'.
x2 = -64

Simplifying
x2 = -64

Reorder the terms:
64 + x2 = -64 + 64

Combine like terms: -64 + 64 = 0
64 + x2 = 0

The solution to this equation could not be determined.

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