(2x)x+16x-7=0

Simple and best practice solution for (2x)x+16x-7=0 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 (2x)x+16x-7=0 equation:


Simplifying
(2x) * x + 16x + -7 = 0

Remove parenthesis around (2x)
2x * x + 16x + -7 = 0

Multiply x * x
2x2 + 16x + -7 = 0

Reorder the terms:
-7 + 16x + 2x2 = 0

Solving
-7 + 16x + 2x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
2 the coefficient of the squared term: 

Divide each side by '2'.
-3.5 + 8x + x2 = 0

Move the constant term to the right:

Add '3.5' to each side of the equation.
-3.5 + 8x + 3.5 + x2 = 0 + 3.5

Reorder the terms:
-3.5 + 3.5 + 8x + x2 = 0 + 3.5

Combine like terms: -3.5 + 3.5 = 0.0
0.0 + 8x + x2 = 0 + 3.5
8x + x2 = 0 + 3.5

Combine like terms: 0 + 3.5 = 3.5
8x + x2 = 3.5

The x term is 8x.  Take half its coefficient (4).
Square it (16) and add it to both sides.

Add '16' to each side of the equation.
8x + 16 + x2 = 3.5 + 16

Reorder the terms:
16 + 8x + x2 = 3.5 + 16

Combine like terms: 3.5 + 16 = 19.5
16 + 8x + x2 = 19.5

Factor a perfect square on the left side:
(x + 4)(x + 4) = 19.5

Calculate the square root of the right side: 4.415880433

Break this problem into two subproblems by setting 
(x + 4) equal to 4.415880433 and -4.415880433.

Subproblem 1

x + 4 = 4.415880433 Simplifying x + 4 = 4.415880433 Reorder the terms: 4 + x = 4.415880433 Solving 4 + x = 4.415880433 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + x = 4.415880433 + -4 Combine like terms: 4 + -4 = 0 0 + x = 4.415880433 + -4 x = 4.415880433 + -4 Combine like terms: 4.415880433 + -4 = 0.415880433 x = 0.415880433 Simplifying x = 0.415880433

Subproblem 2

x + 4 = -4.415880433 Simplifying x + 4 = -4.415880433 Reorder the terms: 4 + x = -4.415880433 Solving 4 + x = -4.415880433 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + x = -4.415880433 + -4 Combine like terms: 4 + -4 = 0 0 + x = -4.415880433 + -4 x = -4.415880433 + -4 Combine like terms: -4.415880433 + -4 = -8.415880433 x = -8.415880433 Simplifying x = -8.415880433

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.415880433, -8.415880433}

See similar equations:

| 5z-56=7z-88 | | 3x-8=12-7 | | 1-4(7n-4)=-27-6n | | (2x)(2x)+16x-7=0 | | ax-b=d+cx | | 5y-6-3y+3=0 | | A+-8=31 | | 3d+4=2 | | 6-8p+3= | | -10(n+12)=-6(3n+4) | | q+9=4q | | 12-3(x+2)=18+2(3x+5) | | 4x+(x+8)=-13-2x | | -5x+4x+18-9x= | | y+27=2y | | 0.4x+2.5y=2.6 | | z+70=8z | | -4(x-5)-8=4(8-2x) | | (X^2)=(x+1) | | -28x+32=0 | | u+34=3u | | ax+bx=-cforx | | 12x-122=x+32 | | -5g-10=5(7g+6) | | 7(3n+4)=8(8n+4)+8 | | x+84=8x | | u^2+3u+4=0 | | Q+23=105 | | -8(y+5)= | | X-4-3+8x=38 | | 35+.10x=25+.15y | | u+66=4u |

Equations solver categories