81x^2-49y^2=3969

Simple and best practice solution for 81x^2-49y^2=3969 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 81x^2-49y^2=3969 equation:


Simplifying
81x2 + -49y2 = 3969

Solving
81x2 + -49y2 = 3969

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '49y2' to each side of the equation.
81x2 + -49y2 + 49y2 = 3969 + 49y2

Combine like terms: -49y2 + 49y2 = 0
81x2 + 0 = 3969 + 49y2
81x2 = 3969 + 49y2

Divide each side by '81'.
x2 = 49 + 0.6049382716y2

Simplifying
x2 = 49 + 0.6049382716y2

Reorder the terms:
-49 + x2 + -0.6049382716y2 = 49 + 0.6049382716y2 + -49 + -0.6049382716y2

Reorder the terms:
-49 + x2 + -0.6049382716y2 = 49 + -49 + 0.6049382716y2 + -0.6049382716y2

Combine like terms: 49 + -49 = 0
-49 + x2 + -0.6049382716y2 = 0 + 0.6049382716y2 + -0.6049382716y2
-49 + x2 + -0.6049382716y2 = 0.6049382716y2 + -0.6049382716y2

Combine like terms: 0.6049382716y2 + -0.6049382716y2 = 0.0000000000
-49 + x2 + -0.6049382716y2 = 0.0000000000

The solution to this equation could not be determined.

See similar equations:

| x=0.4(29.9) | | (5/6)m=-30 | | 6x+3=36 | | -x+x^2-1=0 | | -3/5+1/7 | | (m+6n+14p)-(6m-3n+11p)= | | 9x^2+10x-10=0 | | 5/7(t+7)=2/7t+23 | | [9x-7]=4 | | [x-3]=5 | | [x+1]=8 | | (2w+9)(4-w)=0 | | X+18.5=15 | | p-22=25/4(h-4) | | -5(u-2)(-u+4)=0 | | 16t^2-17t+4=0 | | 2l+2w=300m | | -1x/3-2 | | (5+w)(3w+8)=0 | | 1/4(12t+24)=3/4t+39/2 | | -1/3x-2 | | h/h+(8/h) | | (z+9)(z-5)=0 | | 3/4(8j+12)=1/4j+151/4 | | p=8p-4-5p | | (4w-7)(1-w)=0 | | 8n-8n=11 | | 7/5/5 | | m-1=2m | | -9(2b+2)+(19b-8)=0 | | 8/9(3i+27)=2/9i+68 | | 2.2q-4.8-2.8q=-1.6q-2.1 |

Equations solver categories