If it's not what You are looking for type in the equation solver your own equation and let us solve it.
y in (-oo:+oo)
(2/3)*y^2 = 150 // - 150
(2/3)*y^2-150 = 0
2/3*y^2 = 150 // : 2/3
y^2 = 225
y^2 = 225 // ^ 1/2
abs(y) = 15
y = 15 or y = -15
y in { 15, -15 }
| 3ln(4x+20)=20 | | 22x-3x=2x+17 | | 3x^2-12x+15=o | | 5k-6f+8= | | -1=9x+9+x | | (5x-22)+(8x+46)= | | 2-8=2x+9 | | p-3=s | | 14=3x-6+5 | | 5x-(2x+2)=2x+(3x-5) | | -6(3x-8)=180 | | 210+0.15x=342 | | 0=-8m-3m | | 2(3t+6)=-3[-3t-3(t-2)] | | -(3x-5)-(3x-5)+3=-6(x-1)-(3x+5)+3 | | 5(4x-5)+3=20x-22 | | ((m-15)/5)-((7m-7)/6)=3 | | 1=p+4-4p | | (m-19/6)-(4m-22/7)=2 | | 3L+3(L-7)=147 | | (4/3)^3-(1/2)^2x(8/3)-23 | | 2/9-8/15 | | 3=8+2(2m-1) | | 0.80x+0.30(120)=0.40(86) | | -9a/7×11/4×7b/4a | | 2y+2(y-4)=5y-3(y-10) | | f(x+5)=x^2+4x+6 | | x+7+2x-7=180 | | 4y^2-22y+25=0 | | 16-2.4d= | | 4y^2+22y+25=0 | | -7x-8=15 |