(x-2)(x^2-10x+21)=0

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Solution for (x-2)(x^2-10x+21)=0 equation: 


Simplifying
(x + -2)(x2 + -10x + 21) = 0

Reorder the terms:
(-2 + x)(x2 + -10x + 21) = 0

Reorder the terms:
(-2 + x)(21 + -10x + x2) = 0

Multiply (-2 + x) * (21 + -10x + x2)
(-2(21 + -10x + x2) + x(21 + -10x + x2)) = 0
((21 * -2 + -10x * -2 + x2 * -2) + x(21 + -10x + x2)) = 0
((-42 + 20x + -2x2) + x(21 + -10x + x2)) = 0
(-42 + 20x + -2x2 + (21 * x + -10x * x + x2 * x)) = 0
(-42 + 20x + -2x2 + (21x + -10x2 + x3)) = 0

Reorder the terms:
(-42 + 20x + 21x + -2x2 + -10x2 + x3) = 0

Combine like terms: 20x + 21x = 41x
(-42 + 41x + -2x2 + -10x2 + x3) = 0

Combine like terms: -2x2 + -10x2 = -12x2
(-42 + 41x + -12x2 + x3) = 0

Solving
-42 + 41x + -12x2 + x3 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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