4x^2+22x-63=0

Simple and best practice solution for 4x^2+22x-63=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 4x^2+22x-63=0 equation:


Simplifying
4x2 + 22x + -63 = 0

Reorder the terms:
-63 + 22x + 4x2 = 0

Solving
-63 + 22x + 4x2 = 0

Solving for variable 'x'.

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

Divide each side by '4'.
-15.75 + 5.5x + x2 = 0

Move the constant term to the right:

Add '15.75' to each side of the equation.
-15.75 + 5.5x + 15.75 + x2 = 0 + 15.75

Reorder the terms:
-15.75 + 15.75 + 5.5x + x2 = 0 + 15.75

Combine like terms: -15.75 + 15.75 = 0.00
0.00 + 5.5x + x2 = 0 + 15.75
5.5x + x2 = 0 + 15.75

Combine like terms: 0 + 15.75 = 15.75
5.5x + x2 = 15.75

The x term is 5.5x.  Take half its coefficient (2.75).
Square it (7.5625) and add it to both sides.

Add '7.5625' to each side of the equation.
5.5x + 7.5625 + x2 = 15.75 + 7.5625

Reorder the terms:
7.5625 + 5.5x + x2 = 15.75 + 7.5625

Combine like terms: 15.75 + 7.5625 = 23.3125
7.5625 + 5.5x + x2 = 23.3125

Factor a perfect square on the left side:
(x + 2.75)(x + 2.75) = 23.3125

Calculate the square root of the right side: 4.828301979

Break this problem into two subproblems by setting 
(x + 2.75) equal to 4.828301979 and -4.828301979.

Subproblem 1

x + 2.75 = 4.828301979 Simplifying x + 2.75 = 4.828301979 Reorder the terms: 2.75 + x = 4.828301979 Solving 2.75 + x = 4.828301979 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.75' to each side of the equation. 2.75 + -2.75 + x = 4.828301979 + -2.75 Combine like terms: 2.75 + -2.75 = 0.00 0.00 + x = 4.828301979 + -2.75 x = 4.828301979 + -2.75 Combine like terms: 4.828301979 + -2.75 = 2.078301979 x = 2.078301979 Simplifying x = 2.078301979

Subproblem 2

x + 2.75 = -4.828301979 Simplifying x + 2.75 = -4.828301979 Reorder the terms: 2.75 + x = -4.828301979 Solving 2.75 + x = -4.828301979 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.75' to each side of the equation. 2.75 + -2.75 + x = -4.828301979 + -2.75 Combine like terms: 2.75 + -2.75 = 0.00 0.00 + x = -4.828301979 + -2.75 x = -4.828301979 + -2.75 Combine like terms: -4.828301979 + -2.75 = -7.578301979 x = -7.578301979 Simplifying x = -7.578301979

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.078301979, -7.578301979}

See similar equations:

| 3x^2+10x-18=0 | | 15-4j= | | 8x-y=-5 | | 1/2x+3=7/x+4 | | x/16=4 | | 4a+1+(6-5a)+9a-3-(5+8a)= | | 8+3m=38 | | 7x^3=252x | | X+5+12=3x+1+15 | | -x/2=6 | | s/19=50 | | j/-14=-18 | | -5y^2+3y=-12 | | 4x^2-10x-33=0 | | 7d-5d=12 | | 216=-30x-x^2 | | 11z+4=-44+17z | | 6m-6m-13m-16m=9 | | 6a-4b=9 | | 5x-12=76+16x | | 17k-12k-5k+k=20 | | -10y-3+11y=1 | | 3x^2-3x+36=0 | | 10y+3=8y+3 | | 1/4(x-2)=3 | | 18q+q-14q-5q+3q=18 | | 100+4x=7x | | 5w+3w-4=36 | | 4x^2+52x=0 | | (5/2)c-4=6 | | 11/3x5/6x131/13 | | 5/2-4=6 |

Equations solver categories