x2+7x+12

ax^2+bx+c=0

Solution:

- \frac{b}{2 a} - \frac{\sqrt{- 4 a c + b^{2}}}{2 a}, - \frac{b}{2 a} + \frac{\sqrt{- 4 a c + b^{2}}}{2 a}

Subject
Topic
Level
Highschool
Grade
7

Answer

x= -4 and x =-3

Steps

(x)^2 + 7x +12= (x)^2 + 4x +3x +12

= x(x+4)+3(x+4)

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

x=-3 , x=-4

 

 

 

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