x^2-10-3r=0

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Solution for x^2-10-3r=0 equation:


Simplifying
x2 + -10 + -3r = 0

Reorder the terms:
-10 + -3r + x2 = 0

Solving
-10 + -3r + x2 = 0

Solving for variable 'r'.

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

Add '10' to each side of the equation.
-10 + -3r + 10 + x2 = 0 + 10

Reorder the terms:
-10 + 10 + -3r + x2 = 0 + 10

Combine like terms: -10 + 10 = 0
0 + -3r + x2 = 0 + 10
-3r + x2 = 0 + 10

Combine like terms: 0 + 10 = 10
-3r + x2 = 10

Add '-1x2' to each side of the equation.
-3r + x2 + -1x2 = 10 + -1x2

Combine like terms: x2 + -1x2 = 0
-3r + 0 = 10 + -1x2
-3r = 10 + -1x2

Divide each side by '-3'.
r = -3.333333333 + 0.3333333333x2

Simplifying
r = -3.333333333 + 0.3333333333x2

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