4.2x^2(x+3)=5(3+x)

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Solution for 4.2x^2(x+3)=5(3+x) equation: 


Simplifying
4.2x2(x + 3) = 5(3 + x)

Reorder the terms:
4.2x2(3 + x) = 5(3 + x)
(3 * 4.2x2 + x * 4.2x2) = 5(3 + x)
(12.6x2 + 4.2x3) = 5(3 + x)
12.6x2 + 4.2x3 = (3 * 5 + x * 5)
12.6x2 + 4.2x3 = (15 + 5x)

Solving
12.6x2 + 4.2x3 = 15 + 5x

Solving for variable 'x'.

Reorder the terms:
-15 + -5x + 12.6x2 + 4.2x3 = 15 + 5x + -15 + -5x

Reorder the terms:
-15 + -5x + 12.6x2 + 4.2x3 = 15 + -15 + 5x + -5x

Combine like terms: 15 + -15 = 0
-15 + -5x + 12.6x2 + 4.2x3 = 0 + 5x + -5x
-15 + -5x + 12.6x2 + 4.2x3 = 5x + -5x

Combine like terms: 5x + -5x = 0
-15 + -5x + 12.6x2 + 4.2x3 = 0

The solution to this equation could not be determined.

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