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Subjects>Math>Math & Arithmetic

What is the factorization of x2 plus 10x plus 21?

Anonymous

∙ 14y ago

Updated: 12/12/2022

x2 + 10x + 21 = (x + 3)(x + 7)

You need to find 2 numbers which sum to 10 and whose product of 21.

In this case 3 + 7 = 10 and 3 x 7 = 21.

Wiki User

∙ 14y ago

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What is X2 plus 10x plus 21 equals?

x2 + 10x + 21 = (x + 3)(x + 7)

X2 plus 10x plus 21 by x plus 3?

(x2+10x+21)/(x+3) = (x+7)

X squared plus 10x plus 21 divided by x plus 3?

Factorising, we obtain, x2 + 10x + 21 = (x + 7)(x + 3). Thus, x2 + 10x + 21 / (x + 3) = x + 7. That's usually easier than dividing it out!

What is the polynomial in descending order x2 10x 21 factorized?

x2+10x+21 = (x+3)(x+7) when factored.....

What is x2 plus 10x -24?

x2+10x-24 = (x-2)(x+12) when factored

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