If it's not what You are looking for type in the equation solver your own equation and let us solve it.
4a^2+11a-30=0
a = 4; b = 11; c = -30;
Δ = b2-4ac
Δ = 112-4·4·(-30)
Δ = 601
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:$a_{1}=\frac{-b-\sqrt{\Delta}}{2a}$$a_{2}=\frac{-b+\sqrt{\Delta}}{2a}$$a_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(11)-\sqrt{601}}{2*4}=\frac{-11-\sqrt{601}}{8} $$a_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(11)+\sqrt{601}}{2*4}=\frac{-11+\sqrt{601}}{8} $
| x=300000+.8x | | 6+30z=66 | | x=300,000+.8x | | (-3)/(8)(x+7)=5+3x | | -4v+2(v+7)=-4 | | 4x+22-7x-9=90 | | 8x-43=3x-8 | | 5+6x3=x | | 6x+10=55+3x | | 49^2=3.14x^2 | | 49^2=3.14r^2 | | 3m-2=58 | | 1/2d+5=8 | | 125x²+25x-30=0 | | -4x+7x-7=3(x-5)-2 | | 4+3/5h=7/5-1 | | 23+y=119 | | 75x=50 | | 5=3t-4 | | 12b²+13b-35=0 | | 200=-16^-4t+382 | | 5x+6+12x2=4 | | 368/2=902/x | | -6(v+2)+4v+6=8v+8 | | 5m÷8-6÷8+3m÷8=2÷8 | | h(3)=1250(0.865) | | X=(-y+4)/3 | | 7.x+5=89 | | (1/4)(5/6)^x=432 | | -6(v-2)+4v+6=8v+8 | | 9x+4×=26 | | 8x+10=18+4x |