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

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


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

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

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

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

Combine like terms: -3x + 7x = 4x
(-21 + 4x + x2) = o

Solving
-21 + 4x + x2 = o

Solving for variable 'x'.

Reorder the terms:
-21 + -1o + 4x + x2 = o + -1o

Combine like terms: o + -1o = 0
-21 + -1o + 4x + x2 = 0

The solution to this equation could not be determined.

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