x^2+3x+45=50

Simple and best practice solution for x^2+3x+45=50 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^2+3x+45=50 equation:


Simplifying
x2 + 3x + 45 = 50

Reorder the terms:
45 + 3x + x2 = 50

Solving
45 + 3x + x2 = 50

Solving for variable 'x'.

Reorder the terms:
45 + -50 + 3x + x2 = 50 + -50

Combine like terms: 45 + -50 = -5
-5 + 3x + x2 = 50 + -50

Combine like terms: 50 + -50 = 0
-5 + 3x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '5' to each side of the equation.
-5 + 3x + 5 + x2 = 0 + 5

Reorder the terms:
-5 + 5 + 3x + x2 = 0 + 5

Combine like terms: -5 + 5 = 0
0 + 3x + x2 = 0 + 5
3x + x2 = 0 + 5

Combine like terms: 0 + 5 = 5
3x + x2 = 5

The x term is 3x.  Take half its coefficient (1.5).
Square it (2.25) and add it to both sides.

Add '2.25' to each side of the equation.
3x + 2.25 + x2 = 5 + 2.25

Reorder the terms:
2.25 + 3x + x2 = 5 + 2.25

Combine like terms: 5 + 2.25 = 7.25
2.25 + 3x + x2 = 7.25

Factor a perfect square on the left side:
(x + 1.5)(x + 1.5) = 7.25

Calculate the square root of the right side: 2.692582404

Break this problem into two subproblems by setting 
(x + 1.5) equal to 2.692582404 and -2.692582404.

Subproblem 1

x + 1.5 = 2.692582404 Simplifying x + 1.5 = 2.692582404 Reorder the terms: 1.5 + x = 2.692582404 Solving 1.5 + x = 2.692582404 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.5' to each side of the equation. 1.5 + -1.5 + x = 2.692582404 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + x = 2.692582404 + -1.5 x = 2.692582404 + -1.5 Combine like terms: 2.692582404 + -1.5 = 1.192582404 x = 1.192582404 Simplifying x = 1.192582404

Subproblem 2

x + 1.5 = -2.692582404 Simplifying x + 1.5 = -2.692582404 Reorder the terms: 1.5 + x = -2.692582404 Solving 1.5 + x = -2.692582404 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.5' to each side of the equation. 1.5 + -1.5 + x = -2.692582404 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + x = -2.692582404 + -1.5 x = -2.692582404 + -1.5 Combine like terms: -2.692582404 + -1.5 = -4.192582404 x = -4.192582404 Simplifying x = -4.192582404

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.192582404, -4.192582404}

See similar equations:

| 5y^2z-2yz^2+3y^2z= | | 260+2x=170+5x | | Logb^74=7 | | 8x-3x=0 | | y=x^2-6x+17 | | -3.1/2=1/2x+1/2x+x | | y=4.5x+20 | | -log(x)=281 | | 10+1x=-8 | | 0.2x-0.4(4-x)=1.1 | | 6.8+7.1n=1.87 | | 33=3(2x+5) | | 5x-22=x-2 | | 5p-2p=30 | | 2x+7=4x+c | | Graphy+3x=-3 | | 2x-21=2x-21 | | 4ab-8= | | -7(x+6)-5=1(x-2) | | 49d^2+9=-42d | | mx+2=x+2m | | 4(x+3)+7=3 | | x^8-12x^4-64=0 | | 12x+5=11x-13 | | f(x)=-4.9x^2+3x+200 | | x+(3x+20)+2(3x+20)=1060 | | 13x+7=5x+20 | | -15h-(-3h)-(-13h)+(-5)=10 | | h(t)=-4.9t^2+3t+200 | | x+(3x+30)+2(3x+30)=990 | | a^2-1000a+240001=0 | | 3(3y+4)=-13 |

Equations solver categories