(x+3)(x-3)(x+7)=0

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Solution for (x+3)(x-3)(x+7)=0 equation: 


Simplifying
(x + 3)(x + -3)(x + 7) = 0

Reorder the terms:
(3 + x)(x + -3)(x + 7) = 0

Reorder the terms:
(3 + x)(-3 + x)(x + 7) = 0

Reorder the terms:
(3 + x)(-3 + x)(7 + x) = 0

Multiply (3 + x) * (-3 + x)
(3(-3 + x) + x(-3 + x))(7 + x) = 0
((-3 * 3 + x * 3) + x(-3 + x))(7 + x) = 0
((-9 + 3x) + x(-3 + x))(7 + x) = 0
(-9 + 3x + (-3 * x + x * x))(7 + x) = 0
(-9 + 3x + (-3x + x2))(7 + x) = 0

Combine like terms: 3x + -3x = 0
(-9 + 0 + x2)(7 + x) = 0
(-9 + x2)(7 + x) = 0

Multiply (-9 + x2) * (7 + x)
(-9(7 + x) + x2(7 + x)) = 0
((7 * -9 + x * -9) + x2(7 + x)) = 0
((-63 + -9x) + x2(7 + x)) = 0
(-63 + -9x + (7 * x2 + x * x2)) = 0
(-63 + -9x + (7x2 + x3)) = 0
(-63 + -9x + 7x2 + x3) = 0

Solving
-63 + -9x + 7x2 + x3 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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