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-x2-14x-45 = -(x2+14x+45)
delta = 142-4*1*45=16
so x2+14x+45=(x-(-14+4)/2) (x-(-14-4)/2) = (x+5)(x+9)
so -x2-14x-45 = -(x+5)(x+9)
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What is x2 plus 14x plus 49?
(x2 + 14x + 49) = (x + 7)2
How do you Factor x2-14x plus 49?
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What are the roots of the quadratic equation x2 plus 14x plus 45 equals 0?
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Factor the trinomial x2 - 14x plus 33?
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X2 plus 14x plus 45 equals 0?
x2 + 14x + 45 = 0 => x2 + 9x + 5x + 45 = 0 => x(x + 9) + 5(x + 9) = 0 (x + 9)(x + 5) = 0 so that x = -5 or x = -9
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