A(x)=0.75x^2-7x+20

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Solution for A(x)=0.75x^2-7x+20 equation: 


Simplifying
A(x) = 0.75x2 + -7x + 20

Multiply A * x
xA = 0.75x2 + -7x + 20

Reorder the terms:
xA = 20 + -7x + 0.75x2

Solving
xA = 20 + -7x + 0.75x2

Solving for variable 'x'.

Reorder the terms:
-20 + 7x + xA + -0.75x2 = 20 + -7x + 0.75x2 + -20 + 7x + -0.75x2

Reorder the terms:
-20 + 7x + xA + -0.75x2 = 20 + -20 + -7x + 7x + 0.75x2 + -0.75x2

Combine like terms: 20 + -20 = 0
-20 + 7x + xA + -0.75x2 = 0 + -7x + 7x + 0.75x2 + -0.75x2
-20 + 7x + xA + -0.75x2 = -7x + 7x + 0.75x2 + -0.75x2

Combine like terms: -7x + 7x = 0
-20 + 7x + xA + -0.75x2 = 0 + 0.75x2 + -0.75x2
-20 + 7x + xA + -0.75x2 = 0.75x2 + -0.75x2

Combine like terms: 0.75x2 + -0.75x2 = 0.00
-20 + 7x + xA + -0.75x2 = 0.00

The solution to this equation could not be determined.

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