-6x^2+10x+49=0

Simple and best practice solution for -6x^2+10x+49=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 -6x^2+10x+49=0 equation:


Simplifying
-6x2 + 10x + 49 = 0

Reorder the terms:
49 + 10x + -6x2 = 0

Solving
49 + 10x + -6x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-6 the coefficient of the squared term: 

Divide each side by '-6'.
-8.166666667 + -1.666666667x + x2 = 0

Move the constant term to the right:

Add '8.166666667' to each side of the equation.
-8.166666667 + -1.666666667x + 8.166666667 + x2 = 0 + 8.166666667

Reorder the terms:
-8.166666667 + 8.166666667 + -1.666666667x + x2 = 0 + 8.166666667

Combine like terms: -8.166666667 + 8.166666667 = 0.000000000
0.000000000 + -1.666666667x + x2 = 0 + 8.166666667
-1.666666667x + x2 = 0 + 8.166666667

Combine like terms: 0 + 8.166666667 = 8.166666667
-1.666666667x + x2 = 8.166666667

The x term is -1.666666667x.  Take half its coefficient (-0.8333333335).
Square it (0.6944444447) and add it to both sides.

Add '0.6944444447' to each side of the equation.
-1.666666667x + 0.6944444447 + x2 = 8.166666667 + 0.6944444447

Reorder the terms:
0.6944444447 + -1.666666667x + x2 = 8.166666667 + 0.6944444447

Combine like terms: 8.166666667 + 0.6944444447 = 8.8611111117
0.6944444447 + -1.666666667x + x2 = 8.8611111117

Factor a perfect square on the left side:
(x + -0.8333333335)(x + -0.8333333335) = 8.8611111117

Calculate the square root of the right side: 2.97676185

Break this problem into two subproblems by setting 
(x + -0.8333333335) equal to 2.97676185 and -2.97676185.

Subproblem 1

x + -0.8333333335 = 2.97676185 Simplifying x + -0.8333333335 = 2.97676185 Reorder the terms: -0.8333333335 + x = 2.97676185 Solving -0.8333333335 + x = 2.97676185 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.8333333335' to each side of the equation. -0.8333333335 + 0.8333333335 + x = 2.97676185 + 0.8333333335 Combine like terms: -0.8333333335 + 0.8333333335 = 0.0000000000 0.0000000000 + x = 2.97676185 + 0.8333333335 x = 2.97676185 + 0.8333333335 Combine like terms: 2.97676185 + 0.8333333335 = 3.8100951835 x = 3.8100951835 Simplifying x = 3.8100951835

Subproblem 2

x + -0.8333333335 = -2.97676185 Simplifying x + -0.8333333335 = -2.97676185 Reorder the terms: -0.8333333335 + x = -2.97676185 Solving -0.8333333335 + x = -2.97676185 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.8333333335' to each side of the equation. -0.8333333335 + 0.8333333335 + x = -2.97676185 + 0.8333333335 Combine like terms: -0.8333333335 + 0.8333333335 = 0.0000000000 0.0000000000 + x = -2.97676185 + 0.8333333335 x = -2.97676185 + 0.8333333335 Combine like terms: -2.97676185 + 0.8333333335 = -2.1434285165 x = -2.1434285165 Simplifying x = -2.1434285165

Solution

The solution to the problem is based on the solutions from the subproblems. x = {3.8100951835, -2.1434285165}

See similar equations:

| -7x-3=37+3x | | ln(1-4x)=-6x | | -3x+8=5x-72 | | X^4+29x^2+100=0 | | 2x+7=3x+6 | | 4w^2+7w+3=0 | | 2q^2-9q-18=0 | | 5=3x+x+9 | | -1/2=3x-1/3 | | (-12)+(-3)*(-4)= | | 7w-394w+80=11 | | x+1/2=-1/5 | | 5-7x+9x=11 | | -7x-10-7x=-52 | | 6x-17=49 | | -(4x-7)=-9 | | 79=2x+5x-5 | | 6e^3x=8 | | 7n-15=62 | | -2+2x+6x=86 | | -x-8+7x=-44 | | 16b^2c-2ac+4bc=0 | | 9y-11=0 | | -3(w+3)=5(1+w) | | 8+4*5/(-10)-2=x | | 5w-14=8w | | 6x+3+x=-53 | | 12x+14=10x-24 | | 192-8x=24x | | -7-7x=-7 | | 25=2x+5x+4 | | 7p^2+5=16p |

Equations solver categories