(3x^2-5)+(7x^2-3)=

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Solution for (3x^2-5)+(7x^2-3)= equation:


Simplifying
(3x2 + -5) + (7x2 + -3) = 0

Reorder the terms:
(-5 + 3x2) + (7x2 + -3) = 0

Remove parenthesis around (-5 + 3x2)
-5 + 3x2 + (7x2 + -3) = 0

Reorder the terms:
-5 + 3x2 + (-3 + 7x2) = 0

Remove parenthesis around (-3 + 7x2)
-5 + 3x2 + -3 + 7x2 = 0

Reorder the terms:
-5 + -3 + 3x2 + 7x2 = 0

Combine like terms: -5 + -3 = -8
-8 + 3x2 + 7x2 = 0

Combine like terms: 3x2 + 7x2 = 10x2
-8 + 10x2 = 0

Solving
-8 + 10x2 = 0

Solving for variable 'x'.

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

Add '8' to each side of the equation.
-8 + 8 + 10x2 = 0 + 8

Combine like terms: -8 + 8 = 0
0 + 10x2 = 0 + 8
10x2 = 0 + 8

Combine like terms: 0 + 8 = 8
10x2 = 8

Divide each side by '10'.
x2 = 0.8

Simplifying
x2 = 0.8

Take the square root of each side:
x = {-0.894427191, 0.894427191}

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