(x-4)(px^2+qx+r)=0

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Solution for (x-4)(px^2+qx+r)=0 equation:


Simplifying
(x + -4)(px2 + qx + r) = 0

Reorder the terms:
(-4 + x)(px2 + qx + r) = 0

Multiply (-4 + x) * (px2 + qx + r)
(-4(px2 + qx + r) + x(px2 + qx + r)) = 0
((px2 * -4 + qx * -4 + r * -4) + x(px2 + qx + r)) = 0
((-4px2 + -4qx + -4r) + x(px2 + qx + r)) = 0
(-4px2 + -4qx + -4r + (px2 * x + qx * x + r * x)) = 0
(-4px2 + -4qx + -4r + (px3 + qx2 + rx)) = 0

Reorder the terms:
(-4px2 + px3 + -4qx + qx2 + -4r + rx) = 0
(-4px2 + px3 + -4qx + qx2 + -4r + rx) = 0

Solving
-4px2 + px3 + -4qx + qx2 + -4r + rx = 0

Solving for variable 'p'.

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

Add '4qx' to each side of the equation.
-4px2 + px3 + -4qx + qx2 + -4r + 4qx + rx = 0 + 4qx

Reorder the terms:
-4px2 + px3 + -4qx + 4qx + qx2 + -4r + rx = 0 + 4qx

Combine like terms: -4qx + 4qx = 0
-4px2 + px3 + 0 + qx2 + -4r + rx = 0 + 4qx
-4px2 + px3 + qx2 + -4r + rx = 0 + 4qx
Remove the zero:
-4px2 + px3 + qx2 + -4r + rx = 4qx

Add '-1qx2' to each side of the equation.
-4px2 + px3 + qx2 + -4r + -1qx2 + rx = 4qx + -1qx2

Reorder the terms:
-4px2 + px3 + qx2 + -1qx2 + -4r + rx = 4qx + -1qx2

Combine like terms: qx2 + -1qx2 = 0
-4px2 + px3 + 0 + -4r + rx = 4qx + -1qx2
-4px2 + px3 + -4r + rx = 4qx + -1qx2

Add '4r' to each side of the equation.
-4px2 + px3 + -4r + 4r + rx = 4qx + -1qx2 + 4r

Combine like terms: -4r + 4r = 0
-4px2 + px3 + 0 + rx = 4qx + -1qx2 + 4r
-4px2 + px3 + rx = 4qx + -1qx2 + 4r

Add '-1rx' to each side of the equation.
-4px2 + px3 + rx + -1rx = 4qx + -1qx2 + 4r + -1rx

Combine like terms: rx + -1rx = 0
-4px2 + px3 + 0 = 4qx + -1qx2 + 4r + -1rx
-4px2 + px3 = 4qx + -1qx2 + 4r + -1rx

Reorder the terms:
-4px2 + px3 + -4qx + qx2 + -4r + rx = 4qx + -4qx + -1qx2 + qx2 + 4r + -4r + -1rx + rx

Combine like terms: 4qx + -4qx = 0
-4px2 + px3 + -4qx + qx2 + -4r + rx = 0 + -1qx2 + qx2 + 4r + -4r + -1rx + rx
-4px2 + px3 + -4qx + qx2 + -4r + rx = -1qx2 + qx2 + 4r + -4r + -1rx + rx

Combine like terms: -1qx2 + qx2 = 0
-4px2 + px3 + -4qx + qx2 + -4r + rx = 0 + 4r + -4r + -1rx + rx
-4px2 + px3 + -4qx + qx2 + -4r + rx = 4r + -4r + -1rx + rx

Combine like terms: 4r + -4r = 0
-4px2 + px3 + -4qx + qx2 + -4r + rx = 0 + -1rx + rx
-4px2 + px3 + -4qx + qx2 + -4r + rx = -1rx + rx

Combine like terms: -1rx + rx = 0
-4px2 + px3 + -4qx + qx2 + -4r + rx = 0

The solution to this equation could not be determined.

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