4x*x+3x*x=20*20

Simple and best practice solution for 4x*x+3x*x=20*20 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 4x*x+3x*x=20*20 equation: 


Simplifying
4x * x + 3x * x = 20 * 20

Multiply x * x
4x2 + 3x * x = 20 * 20

Multiply x * x
4x2 + 3x2 = 20 * 20

Combine like terms: 4x2 + 3x2 = 7x2
7x2 = 20 * 20

Multiply 20 * 20
7x2 = 400

Solving
7x2 = 400

Solving for variable 'x'.

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

Divide each side by '7'.
x2 = 57.14285714

Simplifying
x2 = 57.14285714

Take the square root of each side:
x = {-7.55928946, 7.55928946}

See similar equations:

| 16x-5=-11 | | 4x*4x+3x*3x=20*20 | | 0.04x+0.03(19000-x)=610 | | 53-2x=8-7x | | 1z^2-1z=20 | | x=0.2(x+2)+18 | | x+12y=39 | | x-2*0=6 | | 8x^2+5x-k=0 | | 5b+7+7=14 | | x+10=0.2(x+2) | | 4r-2r+3-r= | | 6.9x-1.5=19.2 | | 6(5x-2x)=0 | | 15x^4-12x^2= | | 2x-9=25x-15+3 | | 2sinx/(cosx)^3 | | x+12=39 | | 1/5+x=5/9x | | 3x+4+4x=74 | | 5x+12=42-4 | | 62=x+(x-8) | | x-27=x/4 | | 5x+12=-42x-4x | | 2.1x-0.86=0.42-4.3 | | Y-10=6(x-3) | | c=-27=c/4 | | 2.1-0.86=0.42-4.3 | | y(5y-1)=0 | | (2x-4y)(5x+8)= | | 8+5t=-4-2.5t | | 1000=16t^2+120t |

Equations solver categories