If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-5n^2=45
We move all terms to the left:
-5n^2-(45)=0
a = -5; b = 0; c = -45;
Δ = b2-4ac
Δ = 02-4·(-5)·(-45)
Δ = -900
Delta is less than zero, so there is no solution for the equation
| 10e-21=29= | | y=-2.8 | | i-39=5= | | 8/9k=264 | | 8+w/2=4 | | w-4=58= | | 8y-5=57 | | 8y-5=62 | | 7/12w=133 | | 9a-9=81= | | 52x29=50x | | 82x19=80x | | 6/11x=102 | | 1/7h=14 | | 1/9z=12 | | 1/6l=30 | | 7/10g=63 | | 0.7x+5=10*0.8^x | | 1/8f=7 | | 5x^2=6x-6 | | 2x20=6x+24 | | 4.5x=300 | | 2x+x+x+.5x=300 | | 2x+x+x+0.5x=300 | | 130=2x+3x-10 | | -7-x=5x-32 | | 40x+15(100-x)=33 | | 12x+17x+2x+5-14=270 | | -3y^2-8y+16=0 | | 5g-7=41 | | x/1.5=49 | | 5.2y=10 |