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Simplifying
(3x + 1.1)(3x + -1.1) = 0
Reorder the terms:
(1.1 + 3x)(3x + -1.1) = 0
Reorder the terms:
(1.1 + 3x)(-1.1 + 3x) = 0
Multiply (1.1 + 3x) * (-1.1 + 3x)
(1.1(-1.1 + 3x) + 3x * (-1.1 + 3x)) = 0
((-1.1 * 1.1 + 3x * 1.1) + 3x * (-1.1 + 3x)) = 0
((-1.21 + 3.3x) + 3x * (-1.1 + 3x)) = 0
(-1.21 + 3.3x + (-1.1 * 3x + 3x * 3x)) = 0
(-1.21 + 3.3x + (-3.3x + 9x2)) = 0
Combine like terms: 3.3x + -3.3x = 0.0
(-1.21 + 0.0 + 9x2) = 0
(-1.21 + 9x2) = 0
Solving
-1.21 + 9x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '1.21' to each side of the equation.
-1.21 + 1.21 + 9x2 = 0 + 1.21
Combine like terms: -1.21 + 1.21 = 0.00
0.00 + 9x2 = 0 + 1.21
9x2 = 0 + 1.21
Combine like terms: 0 + 1.21 = 1.21
9x2 = 1.21
Divide each side by '9'.
x2 = 0.1344444444
Simplifying
x2 = 0.1344444444
Take the square root of each side:
x = {-0.366666667, 0.366666667}
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