-x(13-4x)=-3(5-9x)+2

Simple and best practice solution for -x(13-4x)=-3(5-9x)+2 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(13-4x)=-3(5-9x)+2 equation:


Simplifying
-1x(13 + -4x) = -3(5 + -9x) + 2
(13 * -1x + -4x * -1x) = -3(5 + -9x) + 2
(-13x + 4x2) = -3(5 + -9x) + 2
-13x + 4x2 = (5 * -3 + -9x * -3) + 2
-13x + 4x2 = (-15 + 27x) + 2

Reorder the terms:
-13x + 4x2 = -15 + 2 + 27x

Combine like terms: -15 + 2 = -13
-13x + 4x2 = -13 + 27x

Solving
-13x + 4x2 = -13 + 27x

Solving for variable 'x'.

Reorder the terms:
13 + -13x + -27x + 4x2 = -13 + 27x + 13 + -27x

Combine like terms: -13x + -27x = -40x
13 + -40x + 4x2 = -13 + 27x + 13 + -27x

Reorder the terms:
13 + -40x + 4x2 = -13 + 13 + 27x + -27x

Combine like terms: -13 + 13 = 0
13 + -40x + 4x2 = 0 + 27x + -27x
13 + -40x + 4x2 = 27x + -27x

Combine like terms: 27x + -27x = 0
13 + -40x + 4x2 = 0

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

Divide each side by '4'.
3.25 + -10x + x2 = 0

Move the constant term to the right:

Add '-3.25' to each side of the equation.
3.25 + -10x + -3.25 + x2 = 0 + -3.25

Reorder the terms:
3.25 + -3.25 + -10x + x2 = 0 + -3.25

Combine like terms: 3.25 + -3.25 = 0.00
0.00 + -10x + x2 = 0 + -3.25
-10x + x2 = 0 + -3.25

Combine like terms: 0 + -3.25 = -3.25
-10x + x2 = -3.25

The x term is -10x.  Take half its coefficient (-5).
Square it (25) and add it to both sides.

Add '25' to each side of the equation.
-10x + 25 + x2 = -3.25 + 25

Reorder the terms:
25 + -10x + x2 = -3.25 + 25

Combine like terms: -3.25 + 25 = 21.75
25 + -10x + x2 = 21.75

Factor a perfect square on the left side:
(x + -5)(x + -5) = 21.75

Calculate the square root of the right side: 4.663689527

Break this problem into two subproblems by setting 
(x + -5) equal to 4.663689527 and -4.663689527.

Subproblem 1

x + -5 = 4.663689527 Simplifying x + -5 = 4.663689527 Reorder the terms: -5 + x = 4.663689527 Solving -5 + x = 4.663689527 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + x = 4.663689527 + 5 Combine like terms: -5 + 5 = 0 0 + x = 4.663689527 + 5 x = 4.663689527 + 5 Combine like terms: 4.663689527 + 5 = 9.663689527 x = 9.663689527 Simplifying x = 9.663689527

Subproblem 2

x + -5 = -4.663689527 Simplifying x + -5 = -4.663689527 Reorder the terms: -5 + x = -4.663689527 Solving -5 + x = -4.663689527 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + x = -4.663689527 + 5 Combine like terms: -5 + 5 = 0 0 + x = -4.663689527 + 5 x = -4.663689527 + 5 Combine like terms: -4.663689527 + 5 = 0.336310473 x = 0.336310473 Simplifying x = 0.336310473

Solution

The solution to the problem is based on the solutions from the subproblems. x = {9.663689527, 0.336310473}

See similar equations:

| f(x)=2x^2+24x+40 | | 9x+4x+2+7=5x+3+7x | | Z+2iz=5-6i | | 21x+18y=25 | | 5.6q-3.7-5.1q=-0.5q-5.5 | | X^2+(-8x)=-16 | | 2x+22y=14 | | 3/4*x=12 | | -x(13-14x)=-3(5-9x)+2 | | 2/3*x=210 | | 2.5+.5x=1.5+x | | 2/3=210 | | x-(1)=5 | | 89=8x+7(x+2) | | 4(f+5)-3=2f-3 | | 1x-(5)=5 | | (-19)+29= | | 2a+15=27 | | -18+8=-5(x+6) | | 4(2+9)=24 | | 4+3(1+8p)=39+8p | | 3(x+5)=2(x+1) | | 11x^2+x=-5 | | 4x+3(x-2)=5x-20 | | 5x^2-20x=-20 | | -17v=-9 | | 4b^2+40b=-82 | | 4w+2=2 | | -5(5x+10)=-275 | | y=ab^2x | | lnx+lnx^4=5 | | -6(n-6)=-144 |

Equations solver categories