Divide By (x - h)

[nycmathguy]

College Algebra
Section R.6

How is 30 done?

 

[MathLover1]

x^4+(3-h)x^3 -2hx^2-2h^2x+h^3

by x-h

x-h=0 => x=h

h^4+(3-h)h^3 -2h*h^2-2h^2*h+h^3=0 -> true

so, (x-h) is a factor

 

[nycmathguy]

x^4+(3-h)x^3 -2hx^2-2h^2x+h^3

by x-h

x-h=0 => x=h

h^4+(3-h)h^3 -2h*h^2-2h^2*h+h^3=0 -> true

so, (x-h) is a factor

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