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You should look for two numbers whose product is 40, and whose sum is 13. Experimenting a little (trying different pairs of factors for 40), you can quickly realize that this works for 8 and 5. Therefore,
x2 + 13x + 40 = (x + 8) (x + 5)
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∙ 13y ago
Wiki User
∙ 8y ago(x + 8)(x + 5)
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Which of the binomials below is a factor of this trinomial x2 plus 14x plus 40?
(x + 10)(x + 4)
What is the factorization of -x2-13x-40?
-x^2 -13x -40 = -(x^2 + 13x + 40) = -(x + 5)*(x + 8)-x^2 -13x -40 = -(x^2 + 13x + 40) = -(x + 5)*(x + 8)-x^2 -13x -40 = -(x^2 + 13x + 40) = -(x + 5)*(x + 8)-x^2 -13x -40 = -(x^2 + 13x + 40) = -(x + 5)*(x + 8)
Which of the binomials below is a factor if this trinomial x2 plus 6x-40?
You didn't bother to list the binomials to choose from, but the two binomial factors of x2 + 6x - 40 are (x + 10) and (x - 4)
Which of the binomials below is a factor of this trinomial x2 14x 40?
(x + 10)(x + 4)
What is the factor expression for 10x plus 40?
10(x+4)
What binomial is a factor of the trinomial x2-13x plus 40?
(x - 5)(x - 8)
Factor the trinomial below Enter each factor as a polynomial in descending order x2 plus 13x plus 40?
(x + 5)(x + 8)
Factor x² plus 13x plus 40?
x2 + 13x + 40 = x2 + 5x + 8x + 40 = x(x + 5) + 8(x + 5) = (x + 8)(x + 5)
Which of the binomials is a factor of this trinomial x2 plus 6x - 40?
X - 4
What is the factorization of the trinomial- x3 plus 13x2 plus 40x?
X3 + 13X2 + 40X factor out an X X(X2 + 13X + 40) factor the quadratic expression, what two factors of 40 add up to 13? X(X + 8)(X + 5) works the same if that is a negative in front of X3, just sign changes
Which of the binomials below is a factor of this trinomial x2 plus 14x plus 40?
(x + 10)(x + 4)
What is the binomials below is a factor of this trinomial x2 plus 6x - 40?
x - 4 APEX
How do you factor the trinomial x2 plus 3x - 40 with each factor as a polynomial in descending order?
(x + 8)(x - 5)
What is the factorization of -x2-13x-40?
-x^2 -13x -40 = -(x^2 + 13x + 40) = -(x + 5)*(x + 8)-x^2 -13x -40 = -(x^2 + 13x + 40) = -(x + 5)*(x + 8)-x^2 -13x -40 = -(x^2 + 13x + 40) = -(x + 5)*(x + 8)-x^2 -13x -40 = -(x^2 + 13x + 40) = -(x + 5)*(x + 8)
Which of the binomials below is a factor if this trinomial x2 plus 6x-40?
You didn't bother to list the binomials to choose from, but the two binomial factors of x2 + 6x - 40 are (x + 10) and (x - 4)
What is the factor of this trinomial x2 14x 40?
x2+14x+40 = (x+4)(x+10) when factored
What binomial is factor of this trinomial x2 plus 14x plus 40?
x2-7x-44 (x-11)(x+4)
