4x-101(3x^2-15)=

Simple and best practice solution for 4x-101(3x^2-15)= 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-101(3x^2-15)= equation:


Simplifying
4x + -101(3x2 + -15) = 0

Reorder the terms:
4x + -101(-15 + 3x2) = 0
4x + (-15 * -101 + 3x2 * -101) = 0
4x + (1515 + -303x2) = 0

Reorder the terms:
1515 + 4x + -303x2 = 0

Solving
1515 + 4x + -303x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-303 the coefficient of the squared term: 

Divide each side by '-303'.
-5 + -0.01320132013x + x2 = 0

Move the constant term to the right:

Add '5' to each side of the equation.
-5 + -0.01320132013x + 5 + x2 = 0 + 5

Reorder the terms:
-5 + 5 + -0.01320132013x + x2 = 0 + 5

Combine like terms: -5 + 5 = 0
0 + -0.01320132013x + x2 = 0 + 5
-0.01320132013x + x2 = 0 + 5

Combine like terms: 0 + 5 = 5
-0.01320132013x + x2 = 5

The x term is -0.01320132013x.  Take half its coefficient (-0.006600660065).
Square it (0.00004356871329) and add it to both sides.

Add '0.00004356871329' to each side of the equation.
-0.01320132013x + 0.00004356871329 + x2 = 5 + 0.00004356871329

Reorder the terms:
0.00004356871329 + -0.01320132013x + x2 = 5 + 0.00004356871329

Combine like terms: 5 + 0.00004356871329 = 5.00004356871329
0.00004356871329 + -0.01320132013x + x2 = 5.00004356871329

Factor a perfect square on the left side:
(x + -0.006600660065)(x + -0.006600660065) = 5.00004356871329

Calculate the square root of the right side: 2.23607772

Break this problem into two subproblems by setting 
(x + -0.006600660065) equal to 2.23607772 and -2.23607772.

Subproblem 1

x + -0.006600660065 = 2.23607772 Simplifying x + -0.006600660065 = 2.23607772 Reorder the terms: -0.006600660065 + x = 2.23607772 Solving -0.006600660065 + x = 2.23607772 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.006600660065' to each side of the equation. -0.006600660065 + 0.006600660065 + x = 2.23607772 + 0.006600660065 Combine like terms: -0.006600660065 + 0.006600660065 = 0.000000000000 0.000000000000 + x = 2.23607772 + 0.006600660065 x = 2.23607772 + 0.006600660065 Combine like terms: 2.23607772 + 0.006600660065 = 2.242678380065 x = 2.242678380065 Simplifying x = 2.242678380065

Subproblem 2

x + -0.006600660065 = -2.23607772 Simplifying x + -0.006600660065 = -2.23607772 Reorder the terms: -0.006600660065 + x = -2.23607772 Solving -0.006600660065 + x = -2.23607772 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.006600660065' to each side of the equation. -0.006600660065 + 0.006600660065 + x = -2.23607772 + 0.006600660065 Combine like terms: -0.006600660065 + 0.006600660065 = 0.000000000000 0.000000000000 + x = -2.23607772 + 0.006600660065 x = -2.23607772 + 0.006600660065 Combine like terms: -2.23607772 + 0.006600660065 = -2.229477059935 x = -2.229477059935 Simplifying x = -2.229477059935

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.242678380065, -2.229477059935}

See similar equations:

| -2x^2+3x-6=0 | | -8(x+1)=4(x-11) | | 2*3.14*r=44 | | -6(x-3)=3(x-9) | | 7(x+4)=6x+29 | | 115-5x=13x-23 | | 3x+26=10x-27 | | 6-7x=15-14x | | -138-8x=10x+24 | | 2(x-5)=-26 | | 137-5x=3x+17 | | 2x*67=345 | | 25x-12=12x-15 | | 5x+16=13x-48 | | 9y=18 | | 7+y=39 | | 6a*a=864 | | .33(9b-36)=-9 | | (-17)+(-3)= | | (-5)+3= | | 10x^2+29x-21=0 | | 10x^2+29x=0 | | 2(3.5n-1)=26 | | 0.5(4-6x)=8 | | 6x^2-9x-15=0 | | 7x^3-28x=0 | | 4y^2-22y+24=0 | | (X^2+4)=(24+X) | | X+X=24 | | 3(x+4)=-5x-36 | | 18x^2-15x+36=0 | | 2+8x-9x-3-9xy-5xy= |

Equations solver categories