R(x)=(13-0.25x)(12+4x)

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Solution for R(x)=(13-0.25x)(12+4x) equation: 


Simplifying
R(x) = (13 + -0.25x)(12 + 4x)

Multiply R * x
xR = (13 + -0.25x)(12 + 4x)

Multiply (13 + -0.25x) * (12 + 4x)
xR = (13(12 + 4x) + -0.25x * (12 + 4x))
xR = ((12 * 13 + 4x * 13) + -0.25x * (12 + 4x))
xR = ((156 + 52x) + -0.25x * (12 + 4x))
xR = (156 + 52x + (12 * -0.25x + 4x * -0.25x))
xR = (156 + 52x + (-3x + -1x2))

Combine like terms: 52x + -3x = 49x
xR = (156 + 49x + -1x2)

Solving
xR = 156 + 49x + -1x2

Solving for variable 'x'.

Reorder the terms:
-156 + -49x + xR + x2 = 156 + 49x + -1x2 + -156 + -49x + x2

Reorder the terms:
-156 + -49x + xR + x2 = 156 + -156 + 49x + -49x + -1x2 + x2

Combine like terms: 156 + -156 = 0
-156 + -49x + xR + x2 = 0 + 49x + -49x + -1x2 + x2
-156 + -49x + xR + x2 = 49x + -49x + -1x2 + x2

Combine like terms: 49x + -49x = 0
-156 + -49x + xR + x2 = 0 + -1x2 + x2
-156 + -49x + xR + x2 = -1x2 + x2

Combine like terms: -1x2 + x2 = 0
-156 + -49x + xR + x2 = 0

The solution to this equation could not be determined.

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