If it's not what You are looking for type in the equation solver your own equation and let us solve it.
X(X+3)=-2(X+3)
We move all terms to the left:
X(X+3)-(-2(X+3))=0
We multiply parentheses
X^2+3X-(-2(X+3))=0
We calculate terms in parentheses: -(-2(X+3)), so:We get rid of parentheses
-2(X+3)
We multiply parentheses
-2X-6
Back to the equation:
-(-2X-6)
X^2+3X+2X+6=0
We add all the numbers together, and all the variables
X^2+5X+6=0
a = 1; b = 5; c = +6;
Δ = b2-4ac
Δ = 52-4·1·6
Δ = 1
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:$X_{1}=\frac{-b-\sqrt{\Delta}}{2a}$$X_{2}=\frac{-b+\sqrt{\Delta}}{2a}$$\sqrt{\Delta}=\sqrt{1}=1$$X_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(5)-1}{2*1}=\frac{-6}{2} =-3 $$X_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(5)+1}{2*1}=\frac{-4}{2} =-2 $
| 4x+9=17-2x | | 17k+20=-20+15k | | 4u-15=12-5u | | 4x35=14x-55 | | 13+9p+16=12p-19 | | 4x+35=14-55 | | 8+9h=10h | | x*5+16=3+56 | | 5z+3=-5+4z | | -9n+6=-10n | | (x+7+x)x=15^2 | | 4.50g+3=16.50 | | -9-4k-10=-8k+9 | | 2-4c=-5-3c | | 3g+4.50=16.50 | | 8w=-6+6w | | 5/4x-9=1 | | 5(6-a)+2a=3(a-4) | | 2(2x+3=x-13 | | x-0.284x=384000 | | 10x+14+x-7+2x+4=180 | | -10+9d=4d-10 | | 7/y+2=4/y-2 | | 2m=-10-8m | | 9s+4=7s | | 4+5k=4k | | 8r=7r-2 | | (5w)(5w)-5w=0 | | 3n^=9n | | 2(b+13)=48 | | 1/3m+1/2=6 | | 2n-5=132 |