7X(2X)=28

Simple and best practice solution for 7X(2X)=28 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 7X(2X)=28 equation: 


Simplifying
7X(2X) = 28

Remove parenthesis around (2X)
7X * 2X = 28

Reorder the terms for easier multiplication:
7 * 2X * X = 28

Multiply 7 * 2
14X * X = 28

Multiply X * X
14X2 = 28

Solving
14X2 = 28

Solving for variable 'X'.

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

Divide each side by '14'.
X2 = 2

Simplifying
X2 = 2

Take the square root of each side:
X = {-1.414213562, 1.414213562}

See similar equations:

| 4r-20=-5+7r | | 14x+100=2124 | | W(w-9)=252 | | 14x+100=2000 | | 5x+40=15x-60 | | 8x+6=8(x-2) | | 1/12(900.00+x)=80 | | 1/12(900.00+x)=87.50 | | 7(2x+8)=100 | | 7n-2=-4+9n | | -(w-3)=6 | | 1/2(900.00+x)=87.50 | | 3ab-4c= | | 6t-18=26+8t | | 2500=3.14(10)(10) | | 7(7x+5)=49x+35 | | 2x+3=-2+5 | | 9n-2=23+4n | | 2x+5+3+x=41 | | 12-3r=-3 | | 4x-1.8=3-4.1 | | 5x+133+8x-18=180 | | -4=3x+10 | | 2x(-7-8)=24 | | 2h+5=15 | | -7-3.4=-7x-4.8 | | 2x-5+3x-15=30 | | 0.2+0.1=0.6x-0.7 | | 2*x+12=17+5x-14 | | -12x+3y=15 | | 21-[16-(7-5)-10]+8*2= | | -4y+8=4(2y-2)-2(-16+6y) |

Equations solver categories