Question

Find the roots of the quadratic equation x2 + 7x+12 =0

a. X =3 , 4

b. X= -3,-4

c. X= -3, +4

d. X= +3, -4

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Answer 1

Step-by-step explanation:

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Answer 2

Answer:

b) -3, -4

Step-by-step explanation:

x²+7x+12 = 0

=> x²+3x+4x+12 = 0

=> (x+3)(x+4) = 0

=> x = -3, -4