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Earn +20 ptsQ: What is the correct classification of x2 3x 8?
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What is the correct classification of x2 plus 3x plus 8?
It is a quadratic polynomial with integer coefficients..
Factor x2 plus 3x - 40?
x2 + 3x - 40 = (x + 8)(x - 5)
What is the factorization of this trinomial 3x3 - 18x2 plus 24x?
3x3-18x2+24x=3x(x2-6x+8)=3x(x-4)(x-2)
How do you factor the trinomial x2 plus 3x - 40 with each factor as a polynomial in descending order?
(x + 8)(x - 5)
The square of a natural number is 24 more than 5 times the number. What is the number?
Suppose the number is x. Then x2 = 5x + 24 or x2 - 5x - 24 = 0 Then x2 - 8x + 3x - 24 = 0 or x(x - 8) + 3(x - 8) = 0 that is (x - 8)*(x + 3) = 0 so that x = 8 or x = -3 Since the number is a natural number, it cannot be -3, and so the answer is 8.
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