(4x^2+4x-5)+(-3x^2+x-5)=

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


Simplifying
(4x2 + 4x + -5) + (-3x2 + x + -5) = 0

Reorder the terms:
(-5 + 4x + 4x2) + (-3x2 + x + -5) = 0

Remove parenthesis around (-5 + 4x + 4x2)
-5 + 4x + 4x2 + (-3x2 + x + -5) = 0

Reorder the terms:
-5 + 4x + 4x2 + (-5 + x + -3x2) = 0

Remove parenthesis around (-5 + x + -3x2)
-5 + 4x + 4x2 + -5 + x + -3x2 = 0

Reorder the terms:
-5 + -5 + 4x + x + 4x2 + -3x2 = 0

Combine like terms: -5 + -5 = -10
-10 + 4x + x + 4x2 + -3x2 = 0

Combine like terms: 4x + x = 5x
-10 + 5x + 4x2 + -3x2 = 0

Combine like terms: 4x2 + -3x2 = 1x2
-10 + 5x + 1x2 = 0

Solving
-10 + 5x + 1x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '10' to each side of the equation.
-10 + 5x + 10 + x2 = 0 + 10

Reorder the terms:
-10 + 10 + 5x + x2 = 0 + 10

Combine like terms: -10 + 10 = 0
0 + 5x + x2 = 0 + 10
5x + x2 = 0 + 10

Combine like terms: 0 + 10 = 10
5x + x2 = 10

The x term is 5x.  Take half its coefficient (2.5).
Square it (6.25) and add it to both sides.

Add '6.25' to each side of the equation.
5x + 6.25 + x2 = 10 + 6.25

Reorder the terms:
6.25 + 5x + x2 = 10 + 6.25

Combine like terms: 10 + 6.25 = 16.25
6.25 + 5x + x2 = 16.25

Factor a perfect square on the left side:
(x + 2.5)(x + 2.5) = 16.25

Calculate the square root of the right side: 4.031128874

Break this problem into two subproblems by setting 
(x + 2.5) equal to 4.031128874 and -4.031128874.

Subproblem 1

x + 2.5 = 4.031128874 Simplifying x + 2.5 = 4.031128874 Reorder the terms: 2.5 + x = 4.031128874 Solving 2.5 + x = 4.031128874 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.5' to each side of the equation. 2.5 + -2.5 + x = 4.031128874 + -2.5 Combine like terms: 2.5 + -2.5 = 0.0 0.0 + x = 4.031128874 + -2.5 x = 4.031128874 + -2.5 Combine like terms: 4.031128874 + -2.5 = 1.531128874 x = 1.531128874 Simplifying x = 1.531128874

Subproblem 2

x + 2.5 = -4.031128874 Simplifying x + 2.5 = -4.031128874 Reorder the terms: 2.5 + x = -4.031128874 Solving 2.5 + x = -4.031128874 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.5' to each side of the equation. 2.5 + -2.5 + x = -4.031128874 + -2.5 Combine like terms: 2.5 + -2.5 = 0.0 0.0 + x = -4.031128874 + -2.5 x = -4.031128874 + -2.5 Combine like terms: -4.031128874 + -2.5 = -6.531128874 x = -6.531128874 Simplifying x = -6.531128874

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.531128874, -6.531128874}

See similar equations:

| -8-6x=-40 | | 5*0.25+y=2 | | (2x+6)+(-3x^2-4x+6)= | | 6x^2+13x-7=0 | | 6a+5=54 | | (3-5x)*(2x+4)=0 | | y=9-14x | | (3x^2+2x-6)+(-3x^3-2x^2-x+4)= | | 4x-26-3x=19-20 | | A=tx | | 29.90=2.5+2.30(m-1) | | 4j+5=13 | | (2x^3+4x^2-3x+2)+(-x^3-2x^2+3x+4)= | | 7b+5-4b-2= | | -4(z-2)-3z-2= | | 4Y+8+4X+80=180 | | 4.8=1.2 | | 3x-(-9+30)=2x | | 3(3x)=2(3x+6) | | 2ax+2b= | | 17r+r^2+52=0 | | 2a-7b+4a= | | X^2+8x=210 | | 14=2.5+2.30(m-1) | | 6a+2a+3= | | 5x^5+25x+30= | | 4x-7-3x=11 | | 4e+5+4e= | | -195=5(5x+1) | | -2a-5a-3a= | | -116=4(6+5x) | | (x^3+2x^2-x+6)+(3x^3-4x^2+x-5)= |

Equations solver categories