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Earn +20 ptsQ: What is the factorization of the trinomial -x2 plus 12x plus 28?
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12x-28 equals -63 plus 7x?
12x - 28 = 7x - 63Subtract 7x from each side:5x - 28 = -63Add 28 to each side:5x = -35Divide each side by 5:x = -7
X2 - 16x plus 28 binomials trinomial?
That factors to (x - 14)(x - 2)
What is a binomial factor of the trinomial x2-16 plus 28?
(x - 14)(x - 2)
12x-28 equals 18x-88 what is x?
12x - 28 = 18x - 88Put the variables on one side and the constants on the other by subtracting 12x from both sides and adding 88 to both sides. 12x - 12x - 28 + 88 = 18x - 12x - 88 + 88 Simplify 60 = 6x Divide both sides by 6 x = 10 If you want to check your answer, which is always a good idea, plug in 10 for x in the original expression and see if you get a true statement: 12(10) - 28 = 18(10) - 88 120 - 28 = 180 - 88 92 = 92
What is factorization of the number 28?
Prime factorization of 28 is: 2 x 2 x 7
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