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Earn +20 ptsQ: What is the polynomial for x2 plus 11x plus 30?
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What Are the roots of x2 plus 11x plus 30 equals 0?
x2 + 11x + 30 = 0 (x + 5)(x + 6) = 0 so the roots are -5 and -6
How do you factor x2 plus 11x plus 30?
The factors of (x2 + 11x + 30) are (X + 5) and (x + 6)You want to look for two numbers, when multiplied equal 30, and when added equal 11. Start with factors of 30, and see what they add to: 5+6=11, and 5*6=30.
What is the answer for x2 plus 11x plus 24?
It is: x^2 +11x +24 = (x+8)(x+3) when factored
Is x2 plus 1 a polynomial?
Yes
What is the factorization of this trinomial -x2 - 11x plus 26?
-x2 - 11x + 26 = -(x2 + 11x - 26) = -(x2 - 2x + 13x - 26) = -[ x(x - 2) + 13(x - 2) ] = -(x + 13)(x - 2) = (x + 13)(2 - x)
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