3x^2-2x=370

Simple and best practice solution for 3x^2-2x=370 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 3x^2-2x=370 equation:


Simplifying
3x2 + -2x = 370

Reorder the terms:
-2x + 3x2 = 370

Solving
-2x + 3x2 = 370

Solving for variable 'x'.

Reorder the terms:
-370 + -2x + 3x2 = 370 + -370

Combine like terms: 370 + -370 = 0
-370 + -2x + 3x2 = 0

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

Divide each side by '3'.
-123.3333333 + -0.6666666667x + x2 = 0

Move the constant term to the right:

Add '123.3333333' to each side of the equation.
-123.3333333 + -0.6666666667x + 123.3333333 + x2 = 0 + 123.3333333

Reorder the terms:
-123.3333333 + 123.3333333 + -0.6666666667x + x2 = 0 + 123.3333333

Combine like terms: -123.3333333 + 123.3333333 = 0.0000000
0.0000000 + -0.6666666667x + x2 = 0 + 123.3333333
-0.6666666667x + x2 = 0 + 123.3333333

Combine like terms: 0 + 123.3333333 = 123.3333333
-0.6666666667x + x2 = 123.3333333

The x term is -0.6666666667x.  Take half its coefficient (-0.3333333334).
Square it (0.1111111112) and add it to both sides.

Add '0.1111111112' to each side of the equation.
-0.6666666667x + 0.1111111112 + x2 = 123.3333333 + 0.1111111112

Reorder the terms:
0.1111111112 + -0.6666666667x + x2 = 123.3333333 + 0.1111111112

Combine like terms: 123.3333333 + 0.1111111112 = 123.4444444112
0.1111111112 + -0.6666666667x + x2 = 123.4444444112

Factor a perfect square on the left side:
(x + -0.3333333334)(x + -0.3333333334) = 123.4444444112

Calculate the square root of the right side: 11.11055554

Break this problem into two subproblems by setting 
(x + -0.3333333334) equal to 11.11055554 and -11.11055554.

Subproblem 1

x + -0.3333333334 = 11.11055554 Simplifying x + -0.3333333334 = 11.11055554 Reorder the terms: -0.3333333334 + x = 11.11055554 Solving -0.3333333334 + x = 11.11055554 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.3333333334' to each side of the equation. -0.3333333334 + 0.3333333334 + x = 11.11055554 + 0.3333333334 Combine like terms: -0.3333333334 + 0.3333333334 = 0.0000000000 0.0000000000 + x = 11.11055554 + 0.3333333334 x = 11.11055554 + 0.3333333334 Combine like terms: 11.11055554 + 0.3333333334 = 11.4438888734 x = 11.4438888734 Simplifying x = 11.4438888734

Subproblem 2

x + -0.3333333334 = -11.11055554 Simplifying x + -0.3333333334 = -11.11055554 Reorder the terms: -0.3333333334 + x = -11.11055554 Solving -0.3333333334 + x = -11.11055554 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.3333333334' to each side of the equation. -0.3333333334 + 0.3333333334 + x = -11.11055554 + 0.3333333334 Combine like terms: -0.3333333334 + 0.3333333334 = 0.0000000000 0.0000000000 + x = -11.11055554 + 0.3333333334 x = -11.11055554 + 0.3333333334 Combine like terms: -11.11055554 + 0.3333333334 = -10.7772222066 x = -10.7772222066 Simplifying x = -10.7772222066

Solution

The solution to the problem is based on the solutions from the subproblems. x = {11.4438888734, -10.7772222066}

See similar equations:

| Y=10x+0+26.6 | | ln(x+1)+ln(x-7)=lnx^2 | | 204-y=134 | | .27(12)+.03x=.09(18+x) | | 456=423+x | | x+x+(x+5)+(x+5)=26 | | 2(n)+7= | | 207=-y+131 | | 18=9y-7 | | x/2.5=0.25 | | 5.2x=140 | | 10(x-7)=20 | | 3(5x+7)= | | 3/x-1/4=9/2x | | 5(4x+2)-4= | | 6m-11=2+9m-2 | | m(3+4)=m | | w/4-17=11 | | 2.8=b/7.5 | | 9y+3y-2=14 | | -12=0.75n | | 5w-17=38 | | 17x^2-4x+4=0 | | -4y+2(y+8)+3y=4 | | 5/3=x/10 | | (d-226)/28=27 | | 23=c/35 | | 9(9-x)=0 | | q*1.9=3.8+6.22+1.8+15.13+1.8+q+1.8 | | x-7.4=-4.9 | | 3y+1=11 | | 4(x+6)+2x=14 |

Equations solver categories