(.5x^2)+(1.5x)-1.5=0

Simple and best practice solution for (.5x^2)+(1.5x)-1.5=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)+(1.5x)-1.5=0 equation:


Simplifying
(0.5x2) + (1.5x) + -1.5 = 0

Reorder the terms:
-1.5 + (1.5x) + (0.5x2) = 0

Solving
-1.5 + (1.5x) + (0.5x2) = 0

Solving for variable 'x'.

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

Divide each side by '0.5'.
-3 + (3x) + x2 = 0

Move the constant term to the right:

Add '3' to each side of the equation.
-3 + (3x) + 3 + x2 = 0 + 3

Reorder the terms:
-3 + 3 + (3x) + x2 = 0 + 3

Combine like terms: -3 + 3 = 0
0 + (3x) + x2 = 0 + 3
(3x) + x2 = 0 + 3

Combine like terms: 0 + 3 = 3
(3x) + x2 = 3

The x term is (3x).  Take half its coefficient (1.5).
Square it (2.25) and add it to both sides.

Add '2.25' to each side of the equation.
(3x) + 2.25 + x2 = 3 + 2.25

Reorder the terms:
2.25 + (3x) + x2 = 3 + 2.25

Combine like terms: 3 + 2.25 = 5.25
2.25 + (3x) + x2 = 5.25

Factor a perfect square on the left side:
((x) + 1.5)((x) + 1.5) = 5.25

Calculate the square root of the right side: 2.291287847

Break this problem into two subproblems by setting 
((x) + 1.5) equal to 2.291287847 and -2.291287847.

Subproblem 1

(x) + 1.5 = 2.291287847 Simplifying (x) + 1.5 = 2.291287847 x + 1.5 = 2.291287847 Reorder the terms: 1.5 + x = 2.291287847 Solving 1.5 + x = 2.291287847 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.5' to each side of the equation. 1.5 + -1.5 + x = 2.291287847 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + x = 2.291287847 + -1.5 x = 2.291287847 + -1.5 Combine like terms: 2.291287847 + -1.5 = 0.791287847 x = 0.791287847 Simplifying x = 0.791287847

Subproblem 2

(x) + 1.5 = -2.291287847 Simplifying (x) + 1.5 = -2.291287847 x + 1.5 = -2.291287847 Reorder the terms: 1.5 + x = -2.291287847 Solving 1.5 + x = -2.291287847 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.5' to each side of the equation. 1.5 + -1.5 + x = -2.291287847 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + x = -2.291287847 + -1.5 x = -2.291287847 + -1.5 Combine like terms: -2.291287847 + -1.5 = -3.791287847 x = -3.791287847 Simplifying x = -3.791287847

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.791287847, -3.791287847}

See similar equations:

| 4B+3B-1=20 | | K=-4 | | 1x+15=1x-11 | | 6x-x^2-10=0 | | 6x-6=4x-28 | | X-(-51)=65 | | 5(9b-6)= | | -6.8x+5=-2 | | 19/20=18z | | 9/4*4/9 | | 2/7(4x-18)-3=12 | | -7+3x=5x-15 | | 2ln(x+11)=1 | | a+a+3(a-7+11)+5a= | | 3k/3=-12/3 | | 10x=4(x+62) | | x^3+6x^2+18x+165=0 | | ln(x^2-5x+2)=-1 | | X+16y+3=0 | | 11x+12=12x+4 | | s=a-rl/1-r | | 4w=97 | | 12y+10=17y-10 | | 3k+2-2=-10-2 | | X+50=x+139 | | 2x^3=4x^2-2x | | 3x+4y*sin(60)=360 | | -540.00+13.50x=972.00 | | 7x+9=-3x-101 | | 2x-14+3(x+1)=13 | | 4+-2x=-2 | | 19f/20=25 |

Equations solver categories