x^2+19x=174

Simple and best practice solution for x^2+19x=174 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+19x=174 equation:


Simplifying
x2 + 19x = 174

Reorder the terms:
19x + x2 = 174

Solving
19x + x2 = 174

Solving for variable 'x'.

Reorder the terms:
-174 + 19x + x2 = 174 + -174

Combine like terms: 174 + -174 = 0
-174 + 19x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '174' to each side of the equation.
-174 + 19x + 174 + x2 = 0 + 174

Reorder the terms:
-174 + 174 + 19x + x2 = 0 + 174

Combine like terms: -174 + 174 = 0
0 + 19x + x2 = 0 + 174
19x + x2 = 0 + 174

Combine like terms: 0 + 174 = 174
19x + x2 = 174

The x term is 19x.  Take half its coefficient (9.5).
Square it (90.25) and add it to both sides.

Add '90.25' to each side of the equation.
19x + 90.25 + x2 = 174 + 90.25

Reorder the terms:
90.25 + 19x + x2 = 174 + 90.25

Combine like terms: 174 + 90.25 = 264.25
90.25 + 19x + x2 = 264.25

Factor a perfect square on the left side:
(x + 9.5)(x + 9.5) = 264.25

Calculate the square root of the right side: 16.255768207

Break this problem into two subproblems by setting 
(x + 9.5) equal to 16.255768207 and -16.255768207.

Subproblem 1

x + 9.5 = 16.255768207 Simplifying x + 9.5 = 16.255768207 Reorder the terms: 9.5 + x = 16.255768207 Solving 9.5 + x = 16.255768207 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-9.5' to each side of the equation. 9.5 + -9.5 + x = 16.255768207 + -9.5 Combine like terms: 9.5 + -9.5 = 0.0 0.0 + x = 16.255768207 + -9.5 x = 16.255768207 + -9.5 Combine like terms: 16.255768207 + -9.5 = 6.755768207 x = 6.755768207 Simplifying x = 6.755768207

Subproblem 2

x + 9.5 = -16.255768207 Simplifying x + 9.5 = -16.255768207 Reorder the terms: 9.5 + x = -16.255768207 Solving 9.5 + x = -16.255768207 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-9.5' to each side of the equation. 9.5 + -9.5 + x = -16.255768207 + -9.5 Combine like terms: 9.5 + -9.5 = 0.0 0.0 + x = -16.255768207 + -9.5 x = -16.255768207 + -9.5 Combine like terms: -16.255768207 + -9.5 = -25.755768207 x = -25.755768207 Simplifying x = -25.755768207

Solution

The solution to the problem is based on the solutions from the subproblems. x = {6.755768207, -25.755768207}

See similar equations:

| x^2+9.5x+87=0 | | 4+6h=6+2h | | -6-6(g+2)=2g-(4g-10) | | 2+7(8m+6)=-236 | | 7x+2(2x+7)=5+2x | | 147=2(6+8v)+7 | | 500+x(15)=4100 | | 147=2(6+8)+7 | | -40+5k=-7(8k-3) | | 10y-8=12 | | T=123.81+0.82m | | a+b=2a-4 | | X^2-7x+25=0 | | -3u+17=-5(u-7) | | y+x+2x+3(2x)=59 | | 4x=-8x-60 | | -35-5n=-4(1+3n)-3 | | -4y+3z=-34 | | X^2-14y^2=0 | | m+n-4=n | | -9+7+3x-2=4x-2x | | 22-5x=16x | | 8x^2-8x+12=0 | | -x=6+x+2 | | 5x-3=8+5y | | y+2+3y=9 | | 7(7x+8)+9=49x+65 | | 200m-100m+52800=56100-175m | | 47=6x-2 | | -15+40=6x-70 | | 200m-100m+52800=56100-175 | | 49.3x^2+33.33x-62.9=0 |

Equations solver categories