(4x^2)-5=3x

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


Simplifying
(4x2) + -5 = 3x

Reorder the terms:
-5 + (4x2) = 3x

Solving
-5 + (4x2) = 3x

Solving for variable 'x'.

Reorder the terms:
-5 + -3x + (4x2) = 3x + -3x

Combine like terms: 3x + -3x = 0
-5 + -3x + (4x2) = 0

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

Divide each side by '4'.
-1.25 + -0.75x + x2 = 0

Move the constant term to the right:

Add '1.25' to each side of the equation.
-1.25 + -0.75x + 1.25 + x2 = 0 + 1.25

Reorder the terms:
-1.25 + 1.25 + -0.75x + x2 = 0 + 1.25

Combine like terms: -1.25 + 1.25 = 0.00
0.00 + -0.75x + x2 = 0 + 1.25
-0.75x + x2 = 0 + 1.25

Combine like terms: 0 + 1.25 = 1.25
-0.75x + x2 = 1.25

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 = 1.25 + 0.140625

Reorder the terms:
0.140625 + -0.75x + x2 = 1.25 + 0.140625

Combine like terms: 1.25 + 0.140625 = 1.390625
0.140625 + -0.75x + x2 = 1.390625

Factor a perfect square on the left side:
((x) + -0.375)((x) + -0.375) = 1.390625

Calculate the square root of the right side: 1.179247642

Break this problem into two subproblems by setting 
((x) + -0.375) equal to 1.179247642 and -1.179247642.

Subproblem 1

(x) + -0.375 = 1.179247642 Simplifying (x) + -0.375 = 1.179247642 x + -0.375 = 1.179247642 Reorder the terms: -0.375 + x = 1.179247642 Solving -0.375 + x = 1.179247642 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 = 1.179247642 + 0.375 Combine like terms: -0.375 + 0.375 = 0.000 0.000 + x = 1.179247642 + 0.375 x = 1.179247642 + 0.375 Combine like terms: 1.179247642 + 0.375 = 1.554247642 x = 1.554247642 Simplifying x = 1.554247642

Subproblem 2

(x) + -0.375 = -1.179247642 Simplifying (x) + -0.375 = -1.179247642 x + -0.375 = -1.179247642 Reorder the terms: -0.375 + x = -1.179247642 Solving -0.375 + x = -1.179247642 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 = -1.179247642 + 0.375 Combine like terms: -0.375 + 0.375 = 0.000 0.000 + x = -1.179247642 + 0.375 x = -1.179247642 + 0.375 Combine like terms: -1.179247642 + 0.375 = -0.804247642 x = -0.804247642 Simplifying x = -0.804247642

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.554247642, -0.804247642}

See similar equations:

| 0.2(5x-20)+7=5(3x+1) | | 3(y+1)=2(y-3) | | -0.6666x-1=0.3333x+3 | | -2x+x=0 | | 10-3y=5y-22 | | 2x+5(x-6)=12 | | x+5-11=2 | | 73x(5x-19)=180 | | 2p^2-3-2=0 | | (3x+2)(x-3)=0 | | 4(3-2x)+3=4x+5 | | 9x-4(x+3)=18 | | 4(2x-5)-x=7(x+6) | | 6x+3-4x=x-7 | | 5x+10=25y | | 2(x+1)-3(x-2)=x-6 | | 14-10x=179-45x | | 772-6x=7x+20 | | 66-2x=7x+16 | | 7.05a-2=4.25a+26.25 | | 4x+8x=46+x | | 440h-275=55 | | 10x+8=87+x | | 55h-275=440 | | 5a=2a+6 | | 21x^2-50x-613=0 | | 21x^2-50x^2-613=0 | | x^2-30x^2+125=0 | | 9(72-x)=7(x-40) | | 5.25x^2-12.5x+6.25=0 | | 9x(72-x)=7x(x-40) | | 33=(3x-8)+7x+4 |

Equations solver categories