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Simplifying
4x2 + 3x2 + 25 = 180
Reorder the terms:
25 + 4x2 + 3x2 = 180
Combine like terms: 4x2 + 3x2 = 7x2
25 + 7x2 = 180
Solving
25 + 7x2 = 180
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 + 7x2 = 180 + -25
Combine like terms: 25 + -25 = 0
0 + 7x2 = 180 + -25
7x2 = 180 + -25
Combine like terms: 180 + -25 = 155
7x2 = 155
Divide each side by '7'.
x2 = 22.14285714
Simplifying
x2 = 22.14285714
Take the square root of each side:
x = {-4.70561974, 4.70561974}
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