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7. Is 3x + 4 a factor of f(x) = 3x + 13x2 + 18x +8?


Sagot :

Answeer

4/3

Step-by-step explanation:

STEP

1

:

Equation at the end of step 1

 (((3 • (x3)) -  13x2) +  18x) -  8  = 0

STEP

2

:

Equation at the end of step

2

:

 ((3x3 -  13x2) +  18x) -  8  = 0

STEP

3

:

Checking for a perfect cube

3.1    3x3-13x2+18x-8  is not a perfect cube