Solve.

x2 + 5x + 6 = 0

A.
{2, 3}

B.

{1, –6}

C.

{–2, –3}

D.

{–1, 6}

Question

Solve.

x2 + 5x + 6 = 0
	
	
 
A.
	{2, 3}
	
 
B.
	

{1, –6}
	
 
C.
	

{–2, –3}
	
 
D.
	

{–1, 6}

anonymous · Answer

Step 1: Factor left side of equation.

nnesha · Answer

easy method to factor quadratic equations  AC method or headphone method 
find two number when you multiply them you should get product of AC and when you add or subtract them you should get middle term $$\huge\rm Ax^2+Bx+C=0$$
a=leading coefficient 
b=middle term
c=constant term

anonymous · Answer

Step 2: Set factors equal to zero

anonymous · Answer

so i'm between B and C then

nnesha · Answer

why ?

anonymous · Answer

ahhhhhhhhhhhhhhhhhh

nnesha · Answer

that's not an answer.

nnesha · Answer

it's not that hard 
just look at there 
a= leading coefficient which is 1
b=5
=6
what two number you should multiply to get 6 and when you add them you should get 5

anonymous · Answer

(x+2)(x+3)=0

anonymous · Answer

x+2=0 or x+3=0
x=−2 or x=−3