(4*4-7*7*X*X)+7*X*X=16

Simple and best practice solution for (4*4-7*7*X*X)+7*X*X=16 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 (4*4-7*7*X*X)+7*X*X=16 equation: 


Simplifying
(4 * 4 + -7 * 7X * X) + 7X * X = 16

Multiply 4 * 4
(16 + -7 * 7X * X) + 7X * X = 16

Multiply -7 * 7
(16 + -49X * X) + 7X * X = 16

Multiply X * X
(16 + -49X2) + 7X * X = 16

Remove parenthesis around (16 + -49X2)
16 + -49X2 + 7X * X = 16

Multiply X * X
16 + -49X2 + 7X2 = 16

Combine like terms: -49X2 + 7X2 = -42X2
16 + -42X2 = 16

Add '-16' to each side of the equation.
16 + -16 + -42X2 = 16 + -16

Combine like terms: 16 + -16 = 0
0 + -42X2 = 16 + -16
-42X2 = 16 + -16

Combine like terms: 16 + -16 = 0
-42X2 = 0

Solving
-42X2 = 0

Solving for variable 'X'.

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

Divide each side by '-42'.
X2 = 0

Simplifying
X2 = 0

Take the square root of each side:
X = {0}

See similar equations:

| .4x-1.8=.06 | | 8c^2-13c=-3 | | 2x^(3/4)=686 | | 88-(x)(x)-3x=0 | | 7y+2(7-5)=5(y+2)-5 | | 6x+6(-4x+(-12))=0 | | 12+20x=5+2x | | 11y-21=4y+2 | | lne^6=0 | | 15x^2=19x+56 | | 10(2x)=20(2x-4) | | 4x(3x+2)=5x-3 | | 0.06x+0.45(110)=.30(137) | | 32=-2(24-b)+4(b-4) | | x^8/x^3 | | 8+4x-7= | | 3/4x-16=7 | | 4x^2-16x+20=12 | | x^2+1=4X+3 | | x-4x+12=0 | | 18x-16=15x+4 | | -0.5p=5(10-0.5p) | | 1+4x=46 | | (-1/5)(10x)-(-1/5)(5y) | | y^2+9x^2-2y+36x+1=0 | | 5y+8=3x | | 0.7(3x+6)=1-(x-3) | | X+9=1x-5 | | x+(-3x)=28 | | 7/9(9/7x) | | (3x-4)(3x-4)=12 | | Y=4x^2-42x+54 |

Equations solver categories