If it's not what You are looking for type in the equation solver your own equation and let us solve it.
(y^2+3y-1)^2-9=0
We move all terms containing y to the left, all other terms to the right
(y^2+3y-1)^2=9
| -24=4+4y | | (4a+12)−(6a+9)=71 | | -5+2w=-13 | | -41+y/7=-5 | | 71=(4a+12)+(6a+9) | | (4a+12)=(6a+9) | | 8x-2=54; | | 9x9=10 | | 999/3+96666/x=30 | | 86=-6x+7+4x | | -37=-2+5u | | 0.75(n+8)=33 | | 35-6x=x | | 30n-96=264 | | z/20=25/32 | | 3^(n+2)=81 | | 3^(n+2)=18 | | 4x+9=-7x31 | | -6+3u=21 | | P^2-5p+31=0 | | 3^n+2=18 | | 77=4u+9 | | -2/5x=4/9 | | 9(5+h)=108 | | 7(2x+18)=126 | | 14-2g=68 | | 3x+4+7x=180 | | 25*0.13x=20.32 | | 25h*14=0 | | 3x+4x+7x=180 | | 8x-5+4x=7 | | 32+3k=26 |