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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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9y ago

(x + 8)(x + 5)

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Q: Factor the trinomial x2 plus 13x plus 40?
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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)


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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?

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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 binomial is factor of this trinomial x2 plus 14x plus 40?

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What is the factor of this trinomial x2 14x 40?

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