-x^2-10x+150=0

Simple and best practice solution for -x^2-10x+150=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^2-10x+150=0 equation:


Simplifying
-1x2 + -10x + 150 = 0

Reorder the terms:
150 + -10x + -1x2 = 0

Solving
150 + -10x + -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'.
-150 + 10x + x2 = 0

Move the constant term to the right:

Add '150' to each side of the equation.
-150 + 10x + 150 + x2 = 0 + 150

Reorder the terms:
-150 + 150 + 10x + x2 = 0 + 150

Combine like terms: -150 + 150 = 0
0 + 10x + x2 = 0 + 150
10x + x2 = 0 + 150

Combine like terms: 0 + 150 = 150
10x + x2 = 150

The x term is 10x.  Take half its coefficient (5).
Square it (25) and add it to both sides.

Add '25' to each side of the equation.
10x + 25 + x2 = 150 + 25

Reorder the terms:
25 + 10x + x2 = 150 + 25

Combine like terms: 150 + 25 = 175
25 + 10x + x2 = 175

Factor a perfect square on the left side:
(x + 5)(x + 5) = 175

Calculate the square root of the right side: 13.228756555

Break this problem into two subproblems by setting 
(x + 5) equal to 13.228756555 and -13.228756555.

Subproblem 1

x + 5 = 13.228756555 Simplifying x + 5 = 13.228756555 Reorder the terms: 5 + x = 13.228756555 Solving 5 + x = 13.228756555 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + x = 13.228756555 + -5 Combine like terms: 5 + -5 = 0 0 + x = 13.228756555 + -5 x = 13.228756555 + -5 Combine like terms: 13.228756555 + -5 = 8.228756555 x = 8.228756555 Simplifying x = 8.228756555

Subproblem 2

x + 5 = -13.228756555 Simplifying x + 5 = -13.228756555 Reorder the terms: 5 + x = -13.228756555 Solving 5 + x = -13.228756555 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + x = -13.228756555 + -5 Combine like terms: 5 + -5 = 0 0 + x = -13.228756555 + -5 x = -13.228756555 + -5 Combine like terms: -13.228756555 + -5 = -18.228756555 x = -18.228756555 Simplifying x = -18.228756555

Solution

The solution to the problem is based on the solutions from the subproblems. x = {8.228756555, -18.228756555}

See similar equations:

| (8x^2-7x+3)+(3x^2+x-5)= | | 2/x+2+15/x^2-4=0 | | G(x)=7-3x^2+12x | | 1/6(12x-30)+5/8(16x+24)=1/4(12x-16)+2/5(10x-40) | | 8/x+5/2+3/2x | | -6(v+3)+4v+7=8v+7 | | (2x-5)+(14x+10)= | | 14=x-8x | | 8(x-6)-4(x-1)+3x= | | 6ab(8ab-5a+6b)= | | 7/9=x/9 | | 6cos^2x-5sinx-2=0 | | X-(-3x)=7+x | | x/9+8=10 | | 2-3x=8-5x | | 1/2(2x-4)+3/4(8x-16)+2/3(-6x+9)=1/2(10x-20) | | 15/x^2-4=0 | | 2/x+2=0 | | 3/4=6/x | | 3(x+4)=5x-13 | | -4(9-x)+9= | | 10=50e^12x | | 6(3+4)-3= | | 6(x+4)-3= | | 6r/8=-1 | | 3lnx+10=12 | | -17x+4=-2x+1+9x | | 6xa-2=10 | | -63-(10(-15))=57-(2(-15)) | | 7x-4x+5-3=20 | | -63-(10(15))=57-(2(15)) | | -4x-3=-9x+5 |

Equations solver categories