5x^2+5x+5=100

Simple and best practice solution for 5x^2+5x+5=100 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 5x^2+5x+5=100 equation:


Simplifying
5x2 + 5x + 5 = 100

Reorder the terms:
5 + 5x + 5x2 = 100

Solving
5 + 5x + 5x2 = 100

Solving for variable 'x'.

Reorder the terms:
5 + -100 + 5x + 5x2 = 100 + -100

Combine like terms: 5 + -100 = -95
-95 + 5x + 5x2 = 100 + -100

Combine like terms: 100 + -100 = 0
-95 + 5x + 5x2 = 0

Factor out the Greatest Common Factor (GCF), '5'.
5(-19 + x + x2) = 0

Ignore the factor 5.

Subproblem 1

Set the factor '(-19 + x + x2)' equal to zero and attempt to solve: Simplifying -19 + x + x2 = 0 Solving -19 + x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '19' to each side of the equation. -19 + x + 19 + x2 = 0 + 19 Reorder the terms: -19 + 19 + x + x2 = 0 + 19 Combine like terms: -19 + 19 = 0 0 + x + x2 = 0 + 19 x + x2 = 0 + 19 Combine like terms: 0 + 19 = 19 x + x2 = 19 The x term is x. Take half its coefficient (0.5). Square it (0.25) and add it to both sides. Add '0.25' to each side of the equation. x + 0.25 + x2 = 19 + 0.25 Reorder the terms: 0.25 + x + x2 = 19 + 0.25 Combine like terms: 19 + 0.25 = 19.25 0.25 + x + x2 = 19.25 Factor a perfect square on the left side: (x + 0.5)(x + 0.5) = 19.25 Calculate the square root of the right side: 4.387482194 Break this problem into two subproblems by setting (x + 0.5) equal to 4.387482194 and -4.387482194.

Subproblem 1

x + 0.5 = 4.387482194 Simplifying x + 0.5 = 4.387482194 Reorder the terms: 0.5 + x = 4.387482194 Solving 0.5 + x = 4.387482194 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = 4.387482194 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = 4.387482194 + -0.5 x = 4.387482194 + -0.5 Combine like terms: 4.387482194 + -0.5 = 3.887482194 x = 3.887482194 Simplifying x = 3.887482194

Subproblem 2

x + 0.5 = -4.387482194 Simplifying x + 0.5 = -4.387482194 Reorder the terms: 0.5 + x = -4.387482194 Solving 0.5 + x = -4.387482194 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = -4.387482194 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = -4.387482194 + -0.5 x = -4.387482194 + -0.5 Combine like terms: -4.387482194 + -0.5 = -4.887482194 x = -4.887482194 Simplifying x = -4.887482194

Solution

The solution to the problem is based on the solutions from the subproblems. x = {3.887482194, -4.887482194}

Solution

x = {3.887482194, -4.887482194}

See similar equations:

| 5x^2+6x+6=20 | | 4x+15y=31 | | 7x+6y=41 | | 3(0)-9(1/3)=15 | | 6x-5y=41 | | 3(3)-9(3)=15 | | 5x+2y=1.5 | | 4x-2y=-0.1 | | 1/(1-tanx) | | -9a+8a+36=11 | | 8.99x+4.6y-5.75xy=0 | | 8x+5.5y+6.25xy=0 | | 8x+5.5y-6.25xy=0 | | -9+2y=-66 | | -4x+3y=44 | | n!/(n-2)!=132 | | 3x^2+9=2x+1 | | 3600-x/3 | | (t-1)squared+(t-8)squared=45 | | 4cos(3x)+3=5 | | 4x+4y=4(x+y) | | X+(X*.25)=75000 | | x^2+11x=1959 | | 4(x^2)-116x+96=0 | | (x-5)(7x+14)=0 | | sin(x)=0.139235 | | 4x+3y=49 | | 8x*x-699x-56624=0 | | 9/16=4/x | | xy-2y+3zy=8 | | 23ab+69ab=ab(23a+69ab) | | 7y-3=20-2 |

Equations solver categories