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

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


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

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

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

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

Multiply (7 + x) * (3 + x)
(7(3 + x) + x(3 + x))(-3 + x) = 0
((3 * 7 + x * 7) + x(3 + x))(-3 + x) = 0
((21 + 7x) + x(3 + x))(-3 + x) = 0
(21 + 7x + (3 * x + x * x))(-3 + x) = 0
(21 + 7x + (3x + x2))(-3 + x) = 0

Combine like terms: 7x + 3x = 10x
(21 + 10x + x2)(-3 + x) = 0

Multiply (21 + 10x + x2) * (-3 + x)
(21(-3 + x) + 10x * (-3 + x) + x2(-3 + x)) = 0
((-3 * 21 + x * 21) + 10x * (-3 + x) + x2(-3 + x)) = 0
((-63 + 21x) + 10x * (-3 + x) + x2(-3 + x)) = 0
(-63 + 21x + (-3 * 10x + x * 10x) + x2(-3 + x)) = 0
(-63 + 21x + (-30x + 10x2) + x2(-3 + x)) = 0
(-63 + 21x + -30x + 10x2 + (-3 * x2 + x * x2)) = 0
(-63 + 21x + -30x + 10x2 + (-3x2 + x3)) = 0

Combine like terms: 21x + -30x = -9x
(-63 + -9x + 10x2 + -3x2 + x3) = 0

Combine like terms: 10x2 + -3x2 = 7x2
(-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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