0.3x^2-3.45x+3=0

Simple and best practice solution for 0.3x^2-3.45x+3=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 0.3x^2-3.45x+3=0 equation:


Simplifying
0.3x2 + -3.45x + 3 = 0

Reorder the terms:
3 + -3.45x + 0.3x2 = 0

Solving
3 + -3.45x + 0.3x2 = 0

Solving for variable 'x'.

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

Divide each side by '0.3'.
10 + -11.5x + x2 = 0

Move the constant term to the right:

Add '-10' to each side of the equation.
10 + -11.5x + -10 + x2 = 0 + -10

Reorder the terms:
10 + -10 + -11.5x + x2 = 0 + -10

Combine like terms: 10 + -10 = 0
0 + -11.5x + x2 = 0 + -10
-11.5x + x2 = 0 + -10

Combine like terms: 0 + -10 = -10
-11.5x + x2 = -10

The x term is -11.5x.  Take half its coefficient (-5.75).
Square it (33.0625) and add it to both sides.

Add '33.0625' to each side of the equation.
-11.5x + 33.0625 + x2 = -10 + 33.0625

Reorder the terms:
33.0625 + -11.5x + x2 = -10 + 33.0625

Combine like terms: -10 + 33.0625 = 23.0625
33.0625 + -11.5x + x2 = 23.0625

Factor a perfect square on the left side:
(x + -5.75)(x + -5.75) = 23.0625

Calculate the square root of the right side: 4.802343178

Break this problem into two subproblems by setting 
(x + -5.75) equal to 4.802343178 and -4.802343178.

Subproblem 1

x + -5.75 = 4.802343178 Simplifying x + -5.75 = 4.802343178 Reorder the terms: -5.75 + x = 4.802343178 Solving -5.75 + x = 4.802343178 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5.75' to each side of the equation. -5.75 + 5.75 + x = 4.802343178 + 5.75 Combine like terms: -5.75 + 5.75 = 0.00 0.00 + x = 4.802343178 + 5.75 x = 4.802343178 + 5.75 Combine like terms: 4.802343178 + 5.75 = 10.552343178 x = 10.552343178 Simplifying x = 10.552343178

Subproblem 2

x + -5.75 = -4.802343178 Simplifying x + -5.75 = -4.802343178 Reorder the terms: -5.75 + x = -4.802343178 Solving -5.75 + x = -4.802343178 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5.75' to each side of the equation. -5.75 + 5.75 + x = -4.802343178 + 5.75 Combine like terms: -5.75 + 5.75 = 0.00 0.00 + x = -4.802343178 + 5.75 x = -4.802343178 + 5.75 Combine like terms: -4.802343178 + 5.75 = 0.947656822 x = 0.947656822 Simplifying x = 0.947656822

Solution

The solution to the problem is based on the solutions from the subproblems. x = {10.552343178, 0.947656822}

See similar equations:

| -6-8=64 | | m=rt | | .10=2.54+.25*X | | h=16t^2+70+3 | | 3a+54=180 | | x=5f-160 | | 33-[1+8y-2(y+4)]=-4(5y-4)-[7(y-1)-12y+10] | | x=3-(-12) | | -8-8(6x+1)= | | 4=3+-0.2 | | 59=7(-9)+3 | | 11n-11=4n | | 4=3+0.2 | | n*n=72 | | 30c=28d | | xy-4xz=5 | | -1x=35 | | 8x-6+90=180 | | x-17=-33 | | 8u-14=6(u-1) | | t^3-256t=0 | | (5x+6)+3x+90=180 | | -6X^4+6X^3= | | 8+(2x)=8(5-x) | | 4ln(2x)=24 | | 17.7=p+p(.03)6 | | -2=0.8-3 | | 3xy=m | | 93-5x=180 | | 9=27-2x | | 59=7(1)+3 | | 21+25p=42+18p |

Equations solver categories