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Simplifying
-49x2 + 28 + -4 = 0
Reorder the terms:
28 + -4 + -49x2 = 0
Combine like terms: 28 + -4 = 24
24 + -49x2 = 0
Solving
24 + -49x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-24' to each side of the equation.
24 + -24 + -49x2 = 0 + -24
Combine like terms: 24 + -24 = 0
0 + -49x2 = 0 + -24
-49x2 = 0 + -24
Combine like terms: 0 + -24 = -24
-49x2 = -24
Divide each side by '-49'.
x2 = 0.4897959184
Simplifying
x2 = 0.4897959184
Take the square root of each side:
x = {-0.699854212, 0.699854212}
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