If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying
49a2 + -81b4 = 0
Solving
49a2 + -81b4 = 0
Solving for variable 'a'.
Move all terms containing a to the left, all other terms to the right.
Add '81b4' to each side of the equation.
49a2 + -81b4 + 81b4 = 0 + 81b4
Combine like terms: -81b4 + 81b4 = 0
49a2 + 0 = 0 + 81b4
49a2 = 0 + 81b4
Remove the zero:
49a2 = 81b4
Divide each side by '49'.
a2 = 1.653061224b4
Simplifying
a2 = 1.653061224b4
Take the square root of each side:
a = {-1.285714286b2, 1.285714286b2}
| .15x-.03=.2x+1.2 | | sin(1.2x)=1 | | -9x+12+4(3x-3)=6(x-2)-4x+14 | | s=l-q | | 5x-6y-7=0 | | -3w+8=-20 | | 12-5m=3 | | .10x=.35x | | y+(0)=5 | | -6+2(p+7)=-20+6p | | 5m+21=8m-3 | | -4.9x^2-43.4x-6.3=0 | | 7x-8x+24=1 | | 7(7k-7)-1=38+5k | | 4d-3d=29 | | 6-3r=r*2 | | 4x^2+8x-2=8x+6 | | 66x+25x=400+25x | | 10-50=40-80 | | 18x^3+48x^2-32x= | | x+x+10=45 | | 8y+2-5y=-16 | | 2x^2-3x-118=0 | | 5(x-5)-6(x-4)=10 | | -5(9-4x)=-285 | | 20c^2-39cd+18d^2=0 | | x(x+10)=300 | | -24=-7x+54 | | 8x-6=4x-10 | | -43n=43 | | 66+25x=400+25x | | -5a^2=30 |