If it's not what You are looking for type in the equation solver your own equation and let us solve it.
X^2+5X+6=72
We move all terms to the left:
X^2+5X+6-(72)=0
We add all the numbers together, and all the variables
X^2+5X-66=0
a = 1; b = 5; c = -66;
Δ = b2-4ac
Δ = 52-4·1·(-66)
Δ = 289
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{289}=17$$X_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(5)-17}{2*1}=\frac{-22}{2} =-11 $$X_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(5)+17}{2*1}=\frac{12}{2} =6 $
| 3(f−11)=15 | | 5y2=125 | | 3(t-9)=3 | | -9.2(x-3.5)=36.5 | | 6-4x=-7x+15 | | 11x=72+5 | | x+16+x+120=180 | | 72=11x+5 | | x–4=-6. | | 89=x^2 | | 3+0.5(4a+8)=2-2a | | 2x-30+x+20+40=90 | | -9+-h=-18 | | 3+0,5(4a+8)=2-2a | | -8w+3(w-8)=-9 | | 4(-8h+7)=3h-7 | | 11x+5=72 | | 1/5x=90-x | | 3f-7=5 | | 4-2q=14 | | 4−2q=14 | | -8=-8u+2(u+5) | | a-1.5=a+1.9 | | 2p-7=-1 | | x2=5x-4 | | 8x-4=4x+68 | | 6(v-4)-4v=-12 | | 2p−7=-1 | | 12v-9v=6 | | x4=74 | | -2(3y+7)=9-y-5 | | 2(x-7)=3x-5-x-9 |