(5x^2-3x-3)-(3x^2-6x-8)=

Simple and best practice solution for (5x^2-3x-3)-(3x^2-6x-8)= 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 (5x^2-3x-3)-(3x^2-6x-8)= equation:


Simplifying
(5x2 + -3x + -3) + -1(3x2 + -6x + -8) = 0

Reorder the terms:
(-3 + -3x + 5x2) + -1(3x2 + -6x + -8) = 0

Remove parenthesis around (-3 + -3x + 5x2)
-3 + -3x + 5x2 + -1(3x2 + -6x + -8) = 0

Reorder the terms:
-3 + -3x + 5x2 + -1(-8 + -6x + 3x2) = 0
-3 + -3x + 5x2 + (-8 * -1 + -6x * -1 + 3x2 * -1) = 0
-3 + -3x + 5x2 + (8 + 6x + -3x2) = 0

Reorder the terms:
-3 + 8 + -3x + 6x + 5x2 + -3x2 = 0

Combine like terms: -3 + 8 = 5
5 + -3x + 6x + 5x2 + -3x2 = 0

Combine like terms: -3x + 6x = 3x
5 + 3x + 5x2 + -3x2 = 0

Combine like terms: 5x2 + -3x2 = 2x2
5 + 3x + 2x2 = 0

Solving
5 + 3x + 2x2 = 0

Solving for variable 'x'.

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

Divide each side by '2'.
2.5 + 1.5x + x2 = 0

Move the constant term to the right:

Add '-2.5' to each side of the equation.
2.5 + 1.5x + -2.5 + x2 = 0 + -2.5

Reorder the terms:
2.5 + -2.5 + 1.5x + x2 = 0 + -2.5

Combine like terms: 2.5 + -2.5 = 0.0
0.0 + 1.5x + x2 = 0 + -2.5
1.5x + x2 = 0 + -2.5

Combine like terms: 0 + -2.5 = -2.5
1.5x + x2 = -2.5

The x term is 1.5x.  Take half its coefficient (0.75).
Square it (0.5625) and add it to both sides.

Add '0.5625' to each side of the equation.
1.5x + 0.5625 + x2 = -2.5 + 0.5625

Reorder the terms:
0.5625 + 1.5x + x2 = -2.5 + 0.5625

Combine like terms: -2.5 + 0.5625 = -1.9375
0.5625 + 1.5x + x2 = -1.9375

Factor a perfect square on the left side:
(x + 0.75)(x + 0.75) = -1.9375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 7a^2+2a-5=0 | | x(a-2b)+y(2b-a)=0 | | 5b^2=45b | | y=2x^2+1 | | -2x+3=x+21 | | 5n+2(n+2)= | | 3=9x-3x | | 3x+3=2x-4 | | 6x^2-2=0 | | 4x+20=3(x+4)+1 | | 4l-7=19 | | 200g*12-30=0 | | 96x=6x^2 | | x+x=12 | | 2+3(x-1)=2x+x-1 | | 4x-2(x+1)=x-2. | | -6x-4=20 | | 4x+3x=-84 | | 27r^3+1= | | r^2-9tw+3wr-3tr= | | k+12=3 | | 6.20+7x=9.94+5x | | (x-4y)(4x+Y)= | | 2y=-80 | | 16x^2+8nx+n^2=0 | | 2-3x=x+w | | 7+6x+40x+7x=23.50 | | 25x^2-22x=0 | | y=x+0.1x | | 4t-t=6+t | | x-(x*0.2)=66 | | 7x(9x+4)=0 |

Equations solver categories