x+5=-x^2+14x+49

Simple and best practice solution for x+5=-x^2+14x+49 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 x+5=-x^2+14x+49 equation:


Simplifying
x + 5 = -1x2 + 14x + 49

Reorder the terms:
5 + x = -1x2 + 14x + 49

Reorder the terms:
5 + x = 49 + 14x + -1x2

Solving
5 + x = 49 + 14x + -1x2

Solving for variable 'x'.

Reorder the terms:
5 + -49 + x + -14x + x2 = 49 + 14x + -1x2 + -49 + -14x + x2

Combine like terms: 5 + -49 = -44
-44 + x + -14x + x2 = 49 + 14x + -1x2 + -49 + -14x + x2

Combine like terms: x + -14x = -13x
-44 + -13x + x2 = 49 + 14x + -1x2 + -49 + -14x + x2

Reorder the terms:
-44 + -13x + x2 = 49 + -49 + 14x + -14x + -1x2 + x2

Combine like terms: 49 + -49 = 0
-44 + -13x + x2 = 0 + 14x + -14x + -1x2 + x2
-44 + -13x + x2 = 14x + -14x + -1x2 + x2

Combine like terms: 14x + -14x = 0
-44 + -13x + x2 = 0 + -1x2 + x2
-44 + -13x + x2 = -1x2 + x2

Combine like terms: -1x2 + x2 = 0
-44 + -13x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '44' to each side of the equation.
-44 + -13x + 44 + x2 = 0 + 44

Reorder the terms:
-44 + 44 + -13x + x2 = 0 + 44

Combine like terms: -44 + 44 = 0
0 + -13x + x2 = 0 + 44
-13x + x2 = 0 + 44

Combine like terms: 0 + 44 = 44
-13x + x2 = 44

The x term is -13x.  Take half its coefficient (-6.5).
Square it (42.25) and add it to both sides.

Add '42.25' to each side of the equation.
-13x + 42.25 + x2 = 44 + 42.25

Reorder the terms:
42.25 + -13x + x2 = 44 + 42.25

Combine like terms: 44 + 42.25 = 86.25
42.25 + -13x + x2 = 86.25

Factor a perfect square on the left side:
(x + -6.5)(x + -6.5) = 86.25

Calculate the square root of the right side: 9.287087811

Break this problem into two subproblems by setting 
(x + -6.5) equal to 9.287087811 and -9.287087811.

Subproblem 1

x + -6.5 = 9.287087811 Simplifying x + -6.5 = 9.287087811 Reorder the terms: -6.5 + x = 9.287087811 Solving -6.5 + x = 9.287087811 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6.5' to each side of the equation. -6.5 + 6.5 + x = 9.287087811 + 6.5 Combine like terms: -6.5 + 6.5 = 0.0 0.0 + x = 9.287087811 + 6.5 x = 9.287087811 + 6.5 Combine like terms: 9.287087811 + 6.5 = 15.787087811 x = 15.787087811 Simplifying x = 15.787087811

Subproblem 2

x + -6.5 = -9.287087811 Simplifying x + -6.5 = -9.287087811 Reorder the terms: -6.5 + x = -9.287087811 Solving -6.5 + x = -9.287087811 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6.5' to each side of the equation. -6.5 + 6.5 + x = -9.287087811 + 6.5 Combine like terms: -6.5 + 6.5 = 0.0 0.0 + x = -9.287087811 + 6.5 x = -9.287087811 + 6.5 Combine like terms: -9.287087811 + 6.5 = -2.787087811 x = -2.787087811 Simplifying x = -2.787087811

Solution

The solution to the problem is based on the solutions from the subproblems. x = {15.787087811, -2.787087811}

See similar equations:

| x+5=-x^2-14x+49 | | 78=3.1416*R | | 360=3x+3x+(2x+150)+(2x+150) | | x+5=-x^2-14x-49 | | n^210*n+22=-2 | | -4(3u-1)+7(3-2u)=equation | | 4(2x-9)+31=7x-13-x+3(x+5) | | 3n-2n=3 | | 0=49z^2-9 | | 2r+3=-11 | | x+5=x^2-14x-49 | | -11u-5=17 | | =0X^4-36 | | -3(q-17)=-6 | | 4(tan(3x))=4 | | (-2r^-2st^3/(4rs^-1)^2t^-2)^-1 | | 4+y+4x=0 | | -3(k-7)+-4=-4 | | 4c^2-25=0 | | 2x^2=x-5 | | 13.353=X(4)+Y(32) | | 3a(4b-6a)= | | 10x^3/4x^5/3 | | 64-2/3 | | 19=2c+15 | | 7y-3(y-6)=10 | | 0=5x+7y-17 | | (X+40)+(2x-5)+64=180 | | -24-3y=-2x | | 4i/2-3i | | 5a-7=180 | | -2/5-5/7 |

Equations solver categories