Factor completely. x2 + 5x + 6 A. (x - 3)(x + 3) B. (x - 1)(x + 6) C. (x + 3)(x + 2) D. (x + 5)(x + 1)

asked Dec 19, 2020 55.7k views

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being
x^(2) +5x+6 the answer is (x-3)(x-2)

begin
x^(2) -5x+6 the answer is (x+3)(x+2)

1.
x^(2) +5x+6

second grade formala is used

$x= \frac{-b±\sqrt{b^(2) } -4ac}{2a}\\ x=\frac{-5±\sqrt{5^(2) } -4.1.6}{2} \\ x= (-5±1)/(2) \\ x_(1) =-3  \\  x_(2) =-2$

Anilcemsimsek answered Dec 22, 2020

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