10x^2+11x-16=16

Simple and best practice solution for 10x^2+11x-16=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 10x^2+11x-16=16 equation:


Simplifying
10x2 + 11x + -16 = 16

Reorder the terms:
-16 + 11x + 10x2 = 16

Solving
-16 + 11x + 10x2 = 16

Solving for variable 'x'.

Reorder the terms:
-16 + -16 + 11x + 10x2 = 16 + -16

Combine like terms: -16 + -16 = -32
-32 + 11x + 10x2 = 16 + -16

Combine like terms: 16 + -16 = 0
-32 + 11x + 10x2 = 0

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

Divide each side by '10'.
-3.2 + 1.1x + x2 = 0

Move the constant term to the right:

Add '3.2' to each side of the equation.
-3.2 + 1.1x + 3.2 + x2 = 0 + 3.2

Reorder the terms:
-3.2 + 3.2 + 1.1x + x2 = 0 + 3.2

Combine like terms: -3.2 + 3.2 = 0.0
0.0 + 1.1x + x2 = 0 + 3.2
1.1x + x2 = 0 + 3.2

Combine like terms: 0 + 3.2 = 3.2
1.1x + x2 = 3.2

The x term is 1.1x.  Take half its coefficient (0.55).
Square it (0.3025) and add it to both sides.

Add '0.3025' to each side of the equation.
1.1x + 0.3025 + x2 = 3.2 + 0.3025

Reorder the terms:
0.3025 + 1.1x + x2 = 3.2 + 0.3025

Combine like terms: 3.2 + 0.3025 = 3.5025
0.3025 + 1.1x + x2 = 3.5025

Factor a perfect square on the left side:
(x + 0.55)(x + 0.55) = 3.5025

Calculate the square root of the right side: 1.871496727

Break this problem into two subproblems by setting 
(x + 0.55) equal to 1.871496727 and -1.871496727.

Subproblem 1

x + 0.55 = 1.871496727 Simplifying x + 0.55 = 1.871496727 Reorder the terms: 0.55 + x = 1.871496727 Solving 0.55 + x = 1.871496727 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.55' to each side of the equation. 0.55 + -0.55 + x = 1.871496727 + -0.55 Combine like terms: 0.55 + -0.55 = 0.00 0.00 + x = 1.871496727 + -0.55 x = 1.871496727 + -0.55 Combine like terms: 1.871496727 + -0.55 = 1.321496727 x = 1.321496727 Simplifying x = 1.321496727

Subproblem 2

x + 0.55 = -1.871496727 Simplifying x + 0.55 = -1.871496727 Reorder the terms: 0.55 + x = -1.871496727 Solving 0.55 + x = -1.871496727 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.55' to each side of the equation. 0.55 + -0.55 + x = -1.871496727 + -0.55 Combine like terms: 0.55 + -0.55 = 0.00 0.00 + x = -1.871496727 + -0.55 x = -1.871496727 + -0.55 Combine like terms: -1.871496727 + -0.55 = -2.421496727 x = -2.421496727 Simplifying x = -2.421496727

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.321496727, -2.421496727}

See similar equations:

| [x+3]+x=-3 | | 30/2*3-3(-2)^2/-5-1^2 | | [x-2]-x+2=0 | | 2(2.5b)+6b=-7 | | [x+2]-[x-3]=1 | | 2(n-5)=-2 | | 10/8=25/x | | 8y+4x=-24 | | 8x+4y=-24fory | | 5(10-3b)=105-8b+4(11-4b) | | [x-1]+[4-x]=5 | | 1/2(x-2)=8 | | 13+w/7=-8 | | 16i+5=30i-2 | | -2(3x-5)+8=4(x-3) | | 6/9=10/x | | -6=v/4 | | 2(x+1/2)=4 | | 3b-4=6b+8 | | 3p-1=5(p-1)-4(7-2p) | | 9/6=10/x | | [x+1]-[x-4]=5 | | 10/8=11/x | | .25(x+2)=6(x+12) | | 10/9=5/x | | Y^2-10=90 | | x/11=12/10 | | 6xy+4yz-3xy+yz= | | x/10=8/9 | | 2x-6-4x=-8 | | [x-1]+[x-3]=2 | | 11/6=5/x |

Equations solver categories