28x^2+17x-3=6

Simple and best practice solution for 28x^2+17x-3=6 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 28x^2+17x-3=6 equation:


Simplifying
28x2 + 17x + -3 = 6

Reorder the terms:
-3 + 17x + 28x2 = 6

Solving
-3 + 17x + 28x2 = 6

Solving for variable 'x'.

Reorder the terms:
-3 + -6 + 17x + 28x2 = 6 + -6

Combine like terms: -3 + -6 = -9
-9 + 17x + 28x2 = 6 + -6

Combine like terms: 6 + -6 = 0
-9 + 17x + 28x2 = 0

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

Divide each side by '28'.
-0.3214285714 + 0.6071428571x + x2 = 0

Move the constant term to the right:

Add '0.3214285714' to each side of the equation.
-0.3214285714 + 0.6071428571x + 0.3214285714 + x2 = 0 + 0.3214285714

Reorder the terms:
-0.3214285714 + 0.3214285714 + 0.6071428571x + x2 = 0 + 0.3214285714

Combine like terms: -0.3214285714 + 0.3214285714 = 0.0000000000
0.0000000000 + 0.6071428571x + x2 = 0 + 0.3214285714
0.6071428571x + x2 = 0 + 0.3214285714

Combine like terms: 0 + 0.3214285714 = 0.3214285714
0.6071428571x + x2 = 0.3214285714

The x term is 0.6071428571x.  Take half its coefficient (0.3035714286).
Square it (0.09215561226) and add it to both sides.

Add '0.09215561226' to each side of the equation.
0.6071428571x + 0.09215561226 + x2 = 0.3214285714 + 0.09215561226

Reorder the terms:
0.09215561226 + 0.6071428571x + x2 = 0.3214285714 + 0.09215561226

Combine like terms: 0.3214285714 + 0.09215561226 = 0.41358418366
0.09215561226 + 0.6071428571x + x2 = 0.41358418366

Factor a perfect square on the left side:
(x + 0.3035714286)(x + 0.3035714286) = 0.41358418366

Calculate the square root of the right side: 0.643105111

Break this problem into two subproblems by setting 
(x + 0.3035714286) equal to 0.643105111 and -0.643105111.

Subproblem 1

x + 0.3035714286 = 0.643105111 Simplifying x + 0.3035714286 = 0.643105111 Reorder the terms: 0.3035714286 + x = 0.643105111 Solving 0.3035714286 + x = 0.643105111 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.3035714286' to each side of the equation. 0.3035714286 + -0.3035714286 + x = 0.643105111 + -0.3035714286 Combine like terms: 0.3035714286 + -0.3035714286 = 0.0000000000 0.0000000000 + x = 0.643105111 + -0.3035714286 x = 0.643105111 + -0.3035714286 Combine like terms: 0.643105111 + -0.3035714286 = 0.3395336824 x = 0.3395336824 Simplifying x = 0.3395336824

Subproblem 2

x + 0.3035714286 = -0.643105111 Simplifying x + 0.3035714286 = -0.643105111 Reorder the terms: 0.3035714286 + x = -0.643105111 Solving 0.3035714286 + x = -0.643105111 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.3035714286' to each side of the equation. 0.3035714286 + -0.3035714286 + x = -0.643105111 + -0.3035714286 Combine like terms: 0.3035714286 + -0.3035714286 = 0.0000000000 0.0000000000 + x = -0.643105111 + -0.3035714286 x = -0.643105111 + -0.3035714286 Combine like terms: -0.643105111 + -0.3035714286 = -0.9466765396 x = -0.9466765396 Simplifying x = -0.9466765396

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.3395336824, -0.9466765396}

See similar equations:

| -4x-1=-2x+10 | | -7+3a=7a-3 | | 28x^2+17x+3=6 | | 6(7q-5)-[3(5q-3)+2]= | | x+2x=-24 | | h+2=2(k+2) | | x+2x=-34 | | 20+x=2x-44 | | 4.06(x-14)-2.2x=99.40 | | 2.5(3j-1)=-25 | | 0.6+0.6=-8 | | 5(2z-1)-2(z+3)=3(z+1) | | s=(27-b)(20+b) | | 3(8x-2)-6(5+4x)=0 | | 5(2z-1)-2(z+3)=(z+1) | | 0.2v=0.6v+1.7 | | 6(5+c)=5(c-6) | | 0.4w+0.6=-3 | | 11(6c-1)-2=64c+11 | | 6(y-2)=2y-40 | | 4-6x=13+3x | | -3y-9=5y+15 | | 2(1-7)=-9n+47 | | 8y-5=6y+9 | | -2+9=16x-4-15x | | 2x-20=x | | 20-2x=x | | 2m^2+32m-72=0 | | 6(5x-1)=31x | | 4(3g-5)=-2(46+3g) | | 9y-16y=-18-24 | | 2m^2-72=32m |

Equations solver categories