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Simplifying
7x2 + -47 + 30 = 0
Reorder the terms:
-47 + 30 + 7x2 = 0
Combine like terms: -47 + 30 = -17
-17 + 7x2 = 0
Solving
-17 + 7x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '17' to each side of the equation.
-17 + 17 + 7x2 = 0 + 17
Combine like terms: -17 + 17 = 0
0 + 7x2 = 0 + 17
7x2 = 0 + 17
Combine like terms: 0 + 17 = 17
7x2 = 17
Divide each side by '7'.
x2 = 2.428571429
Simplifying
x2 = 2.428571429
Take the square root of each side:
x = {-1.558387445, 1.558387445}
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