(4+x)*(7+x)=72cm^2

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Solution for (4+x)*(7+x)=72cm^2 equation: 


Simplifying
(4 + x)(7 + x) = 72cm2

Multiply (4 + x) * (7 + x)
(4(7 + x) + x(7 + x)) = 72cm2
((7 * 4 + x * 4) + x(7 + x)) = 72cm2
((28 + 4x) + x(7 + x)) = 72cm2
(28 + 4x + (7 * x + x * x)) = 72cm2
(28 + 4x + (7x + x2)) = 72cm2

Combine like terms: 4x + 7x = 11x
(28 + 11x + x2) = 72cm2

Solving
28 + 11x + x2 = 72cm2

Solving for variable 'x'.

Reorder the terms:
28 + -72cm2 + 11x + x2 = 72cm2 + -72cm2

Combine like terms: 72cm2 + -72cm2 = 0
28 + -72cm2 + 11x + x2 = 0

The solution to this equation could not be determined.

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