(3x)+(4x^2)-(4)=0

Simple and best practice solution for (3x)+(4x^2)-(4)=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 (3x)+(4x^2)-(4)=0 equation:


Simplifying
(3x) + (4x2) + -1(4) = 0

Multiply -1 * 4
(3x) + (4x2) + -4 = 0

Reorder the terms:
-4 + (3x) + (4x2) = 0

Solving
-4 + (3x) + (4x2) = 0

Solving for variable 'x'.

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

Divide each side by '4'.
-1 + (0.75x) + x2 = 0

Move the constant term to the right:

Add '1' to each side of the equation.
-1 + (0.75x) + 1 + x2 = 0 + 1

Reorder the terms:
-1 + 1 + (0.75x) + x2 = 0 + 1

Combine like terms: -1 + 1 = 0
0 + (0.75x) + x2 = 0 + 1
(0.75x) + x2 = 0 + 1

Combine like terms: 0 + 1 = 1
(0.75x) + x2 = 1

The x term is (0.75x).  Take half its coefficient (0.375).
Square it (0.140625) and add it to both sides.

Add '0.140625' to each side of the equation.
(0.75x) + 0.140625 + x2 = 1 + 0.140625

Reorder the terms:
0.140625 + (0.75x) + x2 = 1 + 0.140625

Combine like terms: 1 + 0.140625 = 1.140625
0.140625 + (0.75x) + x2 = 1.140625

Factor a perfect square on the left side:
((x) + 0.375)((x) + 0.375) = 1.140625

Calculate the square root of the right side: 1.068000468

Break this problem into two subproblems by setting 
((x) + 0.375) equal to 1.068000468 and -1.068000468.

Subproblem 1

(x) + 0.375 = 1.068000468 Simplifying (x) + 0.375 = 1.068000468 x + 0.375 = 1.068000468 Reorder the terms: 0.375 + x = 1.068000468 Solving 0.375 + x = 1.068000468 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.375' to each side of the equation. 0.375 + -0.375 + x = 1.068000468 + -0.375 Combine like terms: 0.375 + -0.375 = 0.000 0.000 + x = 1.068000468 + -0.375 x = 1.068000468 + -0.375 Combine like terms: 1.068000468 + -0.375 = 0.693000468 x = 0.693000468 Simplifying x = 0.693000468

Subproblem 2

(x) + 0.375 = -1.068000468 Simplifying (x) + 0.375 = -1.068000468 x + 0.375 = -1.068000468 Reorder the terms: 0.375 + x = -1.068000468 Solving 0.375 + x = -1.068000468 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.375' to each side of the equation. 0.375 + -0.375 + x = -1.068000468 + -0.375 Combine like terms: 0.375 + -0.375 = 0.000 0.000 + x = -1.068000468 + -0.375 x = -1.068000468 + -0.375 Combine like terms: -1.068000468 + -0.375 = -1.443000468 x = -1.443000468 Simplifying x = -1.443000468

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.693000468, -1.443000468}

See similar equations:

| 3x+=24 | | 9v^2+25=30v | | 13-8n-16=8n+30-5n | | 5y+24=-2y-11 | | 3w^2-2w=5 | | (8x^2-2x-5)(2x+7)= | | 5r+33r+40=0 | | (-3u^2-8u-4)+(4u^2-2u-6)= | | 2x-3y=50 | | .7x^2+-1.4x-0.7=0 | | (X^3+3x^2-1)(x^3-2x+4)= | | x^2-4x-24=0 | | 3w-16=w+4 | | (8x^2-3x-6)(x+10)= | | 36x^2+10=53x | | 6y-6=6y-6 | | 10x^2+19x=56 | | 25x^2-25x+6=0 | | (5x+7)(6x+1)= | | (7x^5+5)(7x^3+5)= | | (3x-4)(7x+7)= | | 2x^3+7x^2=4x | | 0.45(18)+0.05x=0.15(24+x) | | -4x^2+7x-15=0 | | (8x^9+7)(-3x^2+6)= | | 2u^2-4u+1=(u-3)(u-3) | | (X^6-x^2)(x^8+6)= | | s^2-5s-50=0 | | (X^8-x^4)(x^5-9)= | | (9b+7)(2b-5)=0 | | 0.16y+0.06(y+8000)=1140 | | (X+7)(x+7)= |

Equations solver categories