5x^2+4x-48=0

Simple and best practice solution for 5x^2+4x-48=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 5x^2+4x-48=0 equation:


Simplifying
5x2 + 4x + -48 = 0

Reorder the terms:
-48 + 4x + 5x2 = 0

Solving
-48 + 4x + 5x2 = 0

Solving for variable 'x'.

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

Divide each side by '5'.
-9.6 + 0.8x + x2 = 0

Move the constant term to the right:

Add '9.6' to each side of the equation.
-9.6 + 0.8x + 9.6 + x2 = 0 + 9.6

Reorder the terms:
-9.6 + 9.6 + 0.8x + x2 = 0 + 9.6

Combine like terms: -9.6 + 9.6 = 0.0
0.0 + 0.8x + x2 = 0 + 9.6
0.8x + x2 = 0 + 9.6

Combine like terms: 0 + 9.6 = 9.6
0.8x + x2 = 9.6

The x term is 0.8x.  Take half its coefficient (0.4).
Square it (0.16) and add it to both sides.

Add '0.16' to each side of the equation.
0.8x + 0.16 + x2 = 9.6 + 0.16

Reorder the terms:
0.16 + 0.8x + x2 = 9.6 + 0.16

Combine like terms: 9.6 + 0.16 = 9.76
0.16 + 0.8x + x2 = 9.76

Factor a perfect square on the left side:
(x + 0.4)(x + 0.4) = 9.76

Calculate the square root of the right side: 3.12409987

Break this problem into two subproblems by setting 
(x + 0.4) equal to 3.12409987 and -3.12409987.

Subproblem 1

x + 0.4 = 3.12409987 Simplifying x + 0.4 = 3.12409987 Reorder the terms: 0.4 + x = 3.12409987 Solving 0.4 + x = 3.12409987 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.4' to each side of the equation. 0.4 + -0.4 + x = 3.12409987 + -0.4 Combine like terms: 0.4 + -0.4 = 0.0 0.0 + x = 3.12409987 + -0.4 x = 3.12409987 + -0.4 Combine like terms: 3.12409987 + -0.4 = 2.72409987 x = 2.72409987 Simplifying x = 2.72409987

Subproblem 2

x + 0.4 = -3.12409987 Simplifying x + 0.4 = -3.12409987 Reorder the terms: 0.4 + x = -3.12409987 Solving 0.4 + x = -3.12409987 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.4' to each side of the equation. 0.4 + -0.4 + x = -3.12409987 + -0.4 Combine like terms: 0.4 + -0.4 = 0.0 0.0 + x = -3.12409987 + -0.4 x = -3.12409987 + -0.4 Combine like terms: -3.12409987 + -0.4 = -3.52409987 x = -3.52409987 Simplifying x = -3.52409987

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.72409987, -3.52409987}

See similar equations:

| -2=-3/5x-3 | | 5(x)=20*1.03x | | -6b+2b-5b-3b+4b=-8b | | 40n^2+36n-28=0 | | 3x+20=2x+20-2r-40 | | 24+7=-4-9 | | -6b+2b-5b-3b+4b=18b | | y-5=0.11(x+9) | | 3n+7=82 | | 16=10-(4x+2) | | 5.34086e=231 | | -16t^2+80t+4=h(t) | | 4x=12+3x-x | | 1/2(6x-1/3) | | 72=-8m-24 | | 3x-43=2x-13 | | y-7=8(x-6) | | 3(x+5)=ex | | 2x+1=1-3x | | y+9=-5(x+6) | | 12x^2-26=x | | 72=-84-24 | | 0.3x^2-x=0 | | 7x-9*3=5x-6 | | y+10=7(x-9) | | -8+49r^2=-4 | | 8y-12=4y+8 | | y=85+10x | | -7=1-2b-2b | | 2(x+4)=5+2x | | 44=-7f-5 | | (4x+2)+(3x+19)=180 |

Equations solver categories