-x^2+6x+46=0

Simple and best practice solution for -x^2+6x+46=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 -x^2+6x+46=0 equation:


Simplifying
-1x2 + 6x + 46 = 0

Reorder the terms:
46 + 6x + -1x2 = 0

Solving
46 + 6x + -1x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
-46 + -6x + x2 = 0

Move the constant term to the right:

Add '46' to each side of the equation.
-46 + -6x + 46 + x2 = 0 + 46

Reorder the terms:
-46 + 46 + -6x + x2 = 0 + 46

Combine like terms: -46 + 46 = 0
0 + -6x + x2 = 0 + 46
-6x + x2 = 0 + 46

Combine like terms: 0 + 46 = 46
-6x + x2 = 46

The x term is -6x.  Take half its coefficient (-3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
-6x + 9 + x2 = 46 + 9

Reorder the terms:
9 + -6x + x2 = 46 + 9

Combine like terms: 46 + 9 = 55
9 + -6x + x2 = 55

Factor a perfect square on the left side:
(x + -3)(x + -3) = 55

Calculate the square root of the right side: 7.416198487

Break this problem into two subproblems by setting 
(x + -3) equal to 7.416198487 and -7.416198487.

Subproblem 1

x + -3 = 7.416198487 Simplifying x + -3 = 7.416198487 Reorder the terms: -3 + x = 7.416198487 Solving -3 + x = 7.416198487 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + x = 7.416198487 + 3 Combine like terms: -3 + 3 = 0 0 + x = 7.416198487 + 3 x = 7.416198487 + 3 Combine like terms: 7.416198487 + 3 = 10.416198487 x = 10.416198487 Simplifying x = 10.416198487

Subproblem 2

x + -3 = -7.416198487 Simplifying x + -3 = -7.416198487 Reorder the terms: -3 + x = -7.416198487 Solving -3 + x = -7.416198487 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + x = -7.416198487 + 3 Combine like terms: -3 + 3 = 0 0 + x = -7.416198487 + 3 x = -7.416198487 + 3 Combine like terms: -7.416198487 + 3 = -4.416198487 x = -4.416198487 Simplifying x = -4.416198487

Solution

The solution to the problem is based on the solutions from the subproblems. x = {10.416198487, -4.416198487}

See similar equations:

| 7(8-Y)+9=-9(Y-2)-6 | | 8-(2k+4)=2[(8k-4)-(k-7)] | | 28+2y=20 | | 5b^2-B-4= | | 4x+(-14)=20 | | A+3.6=-2 | | X+(X*.25)=125 | | -15-12x=-123 | | (x-4)*(x+3)+(x-9)*(x+3)= | | 2x+47=6x+66 | | b/3+6=82 | | 4x+37=9+53 | | 3a+5b=110 | | 3x^2-8x-1=9 | | 4(2x-5)=7 | | 3r^2+16r+21=0 | | -5-4x=-53 | | 10x^3-8x^2y-18x^4= | | 50=.08(X) | | 5t-2=13 | | 105-18=-3 | | 20-x(3)=15 | | 66-x^2+x=10 | | 5b^2+34b+45=0 | | 1x^2-2x=4 | | 4x+19=5x+1 | | 16cos^2x-4=0 | | x^2+60+108=0 | | 8y^2+22y+5=0 | | -(7xy-10)+4(6xy+6)= | | 5(3G+8)=65 | | 3x-15=2x+3 |

Equations solver categories