R=(x-3)(4-5x)

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Solution for R=(x-3)(4-5x) equation: 


Simplifying
R = (x + -3)(4 + -5x)

Reorder the terms:
R = (-3 + x)(4 + -5x)

Multiply (-3 + x) * (4 + -5x)
R = (-3(4 + -5x) + x(4 + -5x))
R = ((4 * -3 + -5x * -3) + x(4 + -5x))
R = ((-12 + 15x) + x(4 + -5x))
R = (-12 + 15x + (4 * x + -5x * x))
R = (-12 + 15x + (4x + -5x2))

Combine like terms: 15x + 4x = 19x
R = (-12 + 19x + -5x2)

Solving
R = -12 + 19x + -5x2

Solving for variable 'R'.

Move all terms containing R to the left, all other terms to the right.

Simplifying
R = -12 + 19x + -5x2

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