Precalculus Examples

f(x)=x4+x3-11x2-5x+30f(x)=x4+x311x25x+30 , g(x)=2x-2g(x)=2x2
Step 1
Replace the function designators with the actual functions in f(x)g(x)f(x)g(x).
x4+x3-11x2-5x+302x-2x4+x311x25x+302x2
Step 2
Factor 22 out of 2x-22x2.
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Step 2.1
Factor 22 out of 2x2x.
x4+x3-11x2-5x+302(x)-2x4+x311x25x+302(x)2
Step 2.2
Factor 22 out of -22.
x4+x3-11x2-5x+302(x)+2(-1)x4+x311x25x+302(x)+2(1)
Step 2.3
Factor 22 out of 2(x)+2(-1)2(x)+2(1).
x4+x3-11x2-5x+302(x-1)x4+x311x25x+302(x1)
x4+x3-11x2-5x+302(x-1)x4+x311x25x+302(x1)
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