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)
a = h*(f-(g/2)) // - h*(f-(g/2))
a-(h*(f-(g/2))) = 0
a-1*h*(f-1/2*g) = 0
a-1*h*(f-1/2*g) = 0
a-(f*h)+1/2*g*h = 0
a-(f*h)+1/2*g*h = 0
x belongs to the empty set
| 2w+2(2w+6)=114 | | n^2-1=-5 | | 0.6(9x+21)=2 | | Y+3x=75 | | 3(x+6)-7=-20 | | 2w-11+42=7 | | (2a+1)+(6a+11)= | | 2(p-1)=-3(p-1) | | 2a=14(5a-[8a+(7a-5)])+4 | | 4+8x=2(2x-4) | | 4x+3(x-4)=44 | | 9(w-9)=9+8w | | 1/9=x | | 9x-8+2*8=3x+10 | | 3.8n-13=5p+12.5 | | 3(Ax+b)-d=e | | 20x-7=2+17x | | x^2-2=-2 | | 3r+5=2r+7 | | 4(d+2)-2d=3(d+2) | | (3x+52)+x=180 | | x/5+3=-15 | | (1/4)(4r-8)=r-2 | | 3-5(2-x)=-22 | | -4(-1/2+1)= | | -48=-10p-8 | | 18x-7=5+16x | | 3x+-12=3x-12 | | 2a+1=6 | | 4(y-3)=3y-1 | | W=4x+9y | | (6x/5)-2x+(1/3)=(2/3) |