5x(-3+2x)=3

Simple and best practice solution for 5x(-3+2x)=3 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(-3+2x)=3 equation:


Simplifying
5x(-3 + 2x) = 3
(-3 * 5x + 2x * 5x) = 3
(-15x + 10x2) = 3

Solving
-15x + 10x2 = 3

Solving for variable 'x'.

Reorder the terms:
-3 + -15x + 10x2 = 3 + -3

Combine like terms: 3 + -3 = 0
-3 + -15x + 10x2 = 0

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

Divide each side by '10'.
-0.3 + -1.5x + x2 = 0.0

Move the constant term to the right:

Add '0.3' to each side of the equation.
-0.3 + -1.5x + 0.3 + x2 = 0.0 + 0.3

Reorder the terms:
-0.3 + 0.3 + -1.5x + x2 = 0.0 + 0.3

Combine like terms: -0.3 + 0.3 = 0.0
0.0 + -1.5x + x2 = 0.0 + 0.3
-1.5x + x2 = 0.0 + 0.3

Combine like terms: 0.0 + 0.3 = 0.3
-1.5x + x2 = 0.3

The x term is -1.5x.  Take half its coefficient (-0.75).
Square it (0.5625) and add it to both sides.

Add '0.5625' to each side of the equation.
-1.5x + 0.5625 + x2 = 0.3 + 0.5625

Reorder the terms:
0.5625 + -1.5x + x2 = 0.3 + 0.5625

Combine like terms: 0.3 + 0.5625 = 0.8625
0.5625 + -1.5x + x2 = 0.8625

Factor a perfect square on the left side:
(x + -0.75)(x + -0.75) = 0.8625

Calculate the square root of the right side: 0.928708781

Break this problem into two subproblems by setting 
(x + -0.75) equal to 0.928708781 and -0.928708781.

Subproblem 1

x + -0.75 = 0.928708781 Simplifying x + -0.75 = 0.928708781 Reorder the terms: -0.75 + x = 0.928708781 Solving -0.75 + x = 0.928708781 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.75' to each side of the equation. -0.75 + 0.75 + x = 0.928708781 + 0.75 Combine like terms: -0.75 + 0.75 = 0.00 0.00 + x = 0.928708781 + 0.75 x = 0.928708781 + 0.75 Combine like terms: 0.928708781 + 0.75 = 1.678708781 x = 1.678708781 Simplifying x = 1.678708781

Subproblem 2

x + -0.75 = -0.928708781 Simplifying x + -0.75 = -0.928708781 Reorder the terms: -0.75 + x = -0.928708781 Solving -0.75 + x = -0.928708781 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.75' to each side of the equation. -0.75 + 0.75 + x = -0.928708781 + 0.75 Combine like terms: -0.75 + 0.75 = 0.00 0.00 + x = -0.928708781 + 0.75 x = -0.928708781 + 0.75 Combine like terms: -0.928708781 + 0.75 = -0.178708781 x = -0.178708781 Simplifying x = -0.178708781

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.678708781, -0.178708781}

See similar equations:

| -9h=-8h+9 | | 0.50(x-5000000)=200000 | | -2+4x=-3+15 | | (y^2)-4y=2((x^3)+(x^2)+x+C) | | 18+2x-6=0 | | 5x+9=-1221-8x | | -8.8c-6.7=5.6 | | 3.4+7.9a=2.5 | | -4x-27=-28-3x | | 50+b+135=80-9 | | 16-4v=2 | | 18+2x=90 | | k(n)=n^2+n | | 10x+20(x+11)=470 | | 2x+8+6x-15=5 | | 99X=50 | | (7v-4)=(5v+6) | | 9x+11=-14 | | 5m+n=18 | | 18=-p+s | | -200+y+(-47)=-150 | | 3n+8-n=4 | | x^4+4x^3+3x^2+2x-1=0 | | b=0.5a+0.33(0.5a) | | p=nrt-nb | | -3x^2+-5x=5 | | -16x+8=8-8x | | 4*(3.2+0.4y)+4y=-4 | | (Y-7)-(y-5)=6y | | x=3.2+0.4y | | 3sin(4x)=0.96 | | x^8-84x^4+72x^2-16=0 |

Equations solver categories