(x+5)(x+4)-(-8x-5)(x+2)=

Simple and best practice solution for (x+5)(x+4)-(-8x-5)(x+2)= 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 (x+5)(x+4)-(-8x-5)(x+2)= equation: 


Simplifying
(x + 5)(x + 4) + -1(-8x + -5)(x + 2) = 0

Reorder the terms:
(5 + x)(x + 4) + -1(-8x + -5)(x + 2) = 0

Reorder the terms:
(5 + x)(4 + x) + -1(-8x + -5)(x + 2) = 0

Multiply (5 + x) * (4 + x)
(5(4 + x) + x(4 + x)) + -1(-8x + -5)(x + 2) = 0
((4 * 5 + x * 5) + x(4 + x)) + -1(-8x + -5)(x + 2) = 0
((20 + 5x) + x(4 + x)) + -1(-8x + -5)(x + 2) = 0
(20 + 5x + (4 * x + x * x)) + -1(-8x + -5)(x + 2) = 0
(20 + 5x + (4x + x2)) + -1(-8x + -5)(x + 2) = 0

Combine like terms: 5x + 4x = 9x
(20 + 9x + x2) + -1(-8x + -5)(x + 2) = 0

Reorder the terms:
20 + 9x + x2 + -1(-5 + -8x)(x + 2) = 0

Reorder the terms:
20 + 9x + x2 + -1(-5 + -8x)(2 + x) = 0

Multiply (-5 + -8x) * (2 + x)
20 + 9x + x2 + -1(-5(2 + x) + -8x * (2 + x)) = 0
20 + 9x + x2 + -1((2 * -5 + x * -5) + -8x * (2 + x)) = 0
20 + 9x + x2 + -1((-10 + -5x) + -8x * (2 + x)) = 0
20 + 9x + x2 + -1(-10 + -5x + (2 * -8x + x * -8x)) = 0
20 + 9x + x2 + -1(-10 + -5x + (-16x + -8x2)) = 0

Combine like terms: -5x + -16x = -21x
20 + 9x + x2 + -1(-10 + -21x + -8x2) = 0
20 + 9x + x2 + (-10 * -1 + -21x * -1 + -8x2 * -1) = 0
20 + 9x + x2 + (10 + 21x + 8x2) = 0

Reorder the terms:
20 + 10 + 9x + 21x + x2 + 8x2 = 0

Combine like terms: 20 + 10 = 30
30 + 9x + 21x + x2 + 8x2 = 0

Combine like terms: 9x + 21x = 30x
30 + 30x + x2 + 8x2 = 0

Combine like terms: x2 + 8x2 = 9x2
30 + 30x + 9x2 = 0

Solving
30 + 30x + 9x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3'.
3(10 + 10x + 3x2) = 0

Ignore the factor 3.

Subproblem 1
Set the factor '(10 + 10x + 3x2)' equal to zero and attempt to solve:

Simplifying
10 + 10x + 3x2 = 0

Solving
10 + 10x + 3x2 = 0

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

Divide each side by '3'.
3.333333333 + 3.333333333x + x2 = 0

Move the constant term to the right:

Add '-3.333333333' to each side of the equation.
3.333333333 + 3.333333333x + -3.333333333 + x2 = 0 + -3.333333333

Reorder the terms:
3.333333333 + -3.333333333 + 3.333333333x + x2 = 0 + -3.333333333

Combine like terms: 3.333333333 + -3.333333333 = 0.000000000
0.000000000 + 3.333333333x + x2 = 0 + -3.333333333
3.333333333x + x2 = 0 + -3.333333333

Combine like terms: 0 + -3.333333333 = -3.333333333
3.333333333x + x2 = -3.333333333

The x term is 3.333333333x.  Take half its coefficient (1.666666667).
Square it (2.777777779) and add it to both sides.

Add '2.777777779' to each side of the equation.
3.333333333x + 2.777777779 + x2 = -3.333333333 + 2.777777779

Reorder the terms:
2.777777779 + 3.333333333x + x2 = -3.333333333 + 2.777777779

Combine like terms: -3.333333333 + 2.777777779 = -0.555555554
2.777777779 + 3.333333333x + x2 = -0.555555554

Factor a perfect square on the left side:
(x + 1.666666667)(x + 1.666666667) = -0.555555554

Can't calculate square root of the right side.

The solution to this equation could not be determined.

This subproblem is being ignored because a solution could not be determined.

The solution to this equation could not be determined.

See similar equations:

| -6x+3=2x+3-8x | | 300x-400=250-300 | | 4u+49=7(u+4) | | x^2+2x+3=10 | | 3x+12=4x+7 | | 3(x-6)+14=-16 | | 7x+3=x^2+9 | | 6(q-1)=-6+6q | | 4(n+5)=36 | | p=2(4x)+2(2*x+10) | | 6x+175=10x | | 21cd-3d= | | -4p+16.8= | | 18x-7=x+10 | | 7-6(-3-4r)=-8(4-3r) | | -81=3(5b-2) | | 4(y-1)=6x-1 | | 12y-4xy-4=0 | | x*15=1500 | | 8s+20+15s=19s-20 | | 6a^2+27= | | 3x-4=2(5-x)-3 | | h-34=163 | | 4-12s=-6 | | x=-6y+7 | | X-3+2x-5-7x=30 | | 3(5g-11)=-1-17g | | h-13=184 | | 4x-6y=-7 | | 4c-14=30 | | (-5)(-2x)= | | 9p+21=30 |

Equations solver categories