Asked by Stephanie
Find each solution using long division. Show your work.
Show that x + 1 is NOT a factor of...
2x^3 + x^2 - 11x - 30.
Show that x - 3 IS a factor of 2x^3 - 11x^2 - 11x^2 + 12x + 9.
Show that x + 1 is NOT a factor of...
2x^3 + x^2 - 11x - 30.
Show that x - 3 IS a factor of 2x^3 - 11x^2 - 11x^2 + 12x + 9.
Answers
Answered by
Brandon
Just do long division like you would for anything else. Look at the remainder in the quotient after you divide the divisor into the dividend.
Answered by
kostastyler
P(-1) -2 +1 +11 +30
P(-1) =40
P(-1) Is not 0
so x+1 is not a factor the question.
P(3) 54 -99 -99 +36 + 9
P(3) =-99
x-3 is NOT a factor of the 2nd question.
P(-1) =40
P(-1) Is not 0
so x+1 is not a factor the question.
P(3) 54 -99 -99 +36 + 9
P(3) =-99
x-3 is NOT a factor of the 2nd question.
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