16x^2-5(7-x^2)+43=

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Solution for 16x^2-5(7-x^2)+43= equation:


Simplifying
16x2 + -5(7 + -1x2) + 43 = 0
16x2 + (7 * -5 + -1x2 * -5) + 43 = 0
16x2 + (-35 + 5x2) + 43 = 0

Reorder the terms:
-35 + 43 + 16x2 + 5x2 = 0

Combine like terms: -35 + 43 = 8
8 + 16x2 + 5x2 = 0

Combine like terms: 16x2 + 5x2 = 21x2
8 + 21x2 = 0

Solving
8 + 21x2 = 0

Solving for variable 'x'.

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

Add '-8' to each side of the equation.
8 + -8 + 21x2 = 0 + -8

Combine like terms: 8 + -8 = 0
0 + 21x2 = 0 + -8
21x2 = 0 + -8

Combine like terms: 0 + -8 = -8
21x2 = -8

Divide each side by '21'.
x2 = -0.380952381

Simplifying
x2 = -0.380952381

Reorder the terms:
0.380952381 + x2 = -0.380952381 + 0.380952381

Combine like terms: -0.380952381 + 0.380952381 = 0.000000000
0.380952381 + x2 = 0.000000000

The solution to this equation could not be determined.

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