21x^2-1029=

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Solution for 21x^2-1029= equation:


Simplifying
21x2 + -1029 = 0

Reorder the terms:
-1029 + 21x2 = 0

Solving
-1029 + 21x2 = 0

Solving for variable 'x'.

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

Add '1029' to each side of the equation.
-1029 + 1029 + 21x2 = 0 + 1029

Combine like terms: -1029 + 1029 = 0
0 + 21x2 = 0 + 1029
21x2 = 0 + 1029

Combine like terms: 0 + 1029 = 1029
21x2 = 1029

Divide each side by '21'.
x2 = 49

Simplifying
x2 = 49

Take the square root of each side:
x = {-7, 7}

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