If it's not what You are looking for type in the equation solver your own equation and let us solve it.
X in (-oo:+oo)
(X^2)/4 = 1 // - 1
(X^2)/4-1 = 0
1/4*X^2 = 1 // : 1/4
X^2 = 4
X^2 = 4 // ^ 1/2
abs(X) = 2
X = 2 or X = -2
X in { 2, -2 }
| 8=9(3.14)d | | 11-[2x-(-7)]=-6-4(3x-8) | | (2a^3/4)^2 | | 1.5-4x= | | (5/2)-(x/3)=(19/6) | | X^2+110-180=0 | | (x-0.5)(x+9)=2.5 | | 0=2y-2 | | 7(2x+4)+6=13x+34 | | x(1)=5x-1(0.22) | | 27x+12x-7=0 | | 3x-7+7x=4x+45-7x | | 4y-15+8y-30=90 | | 9x+3=9(x+2) | | 2.5t+4=1.3t-3 | | 0=5p+7 | | 4y-15=180 | | 6/10=8/x | | 3x+(x+6)=90 | | 5x^4=5 | | U-8=4 | | -8x-4(6-5x)=49-(5-3x) | | 0.4=60 | | 4y-15=90 | | 3b*3-b-3=81 | | 2x-9=x+5-11 | | 90/100*x=148 | | 6/8=10/x | | 0=4p+4 | | x+(x+18)+(x-13)=180 | | V^5/4=243 | | -55+-18=53+7x |