-5(x+2)(3x+5)+15(x^2-1)=0

Simple and best practice solution for -5(x+2)(3x+5)+15(x^2-1)=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 -5(x+2)(3x+5)+15(x^2-1)=0 equation:


Simplifying
-5(x + 2)(3x + 5) + 15(x2 + -1) = 0

Reorder the terms:
-5(2 + x)(3x + 5) + 15(x2 + -1) = 0

Reorder the terms:
-5(2 + x)(5 + 3x) + 15(x2 + -1) = 0

Multiply (2 + x) * (5 + 3x)
-5(2(5 + 3x) + x(5 + 3x)) + 15(x2 + -1) = 0
-5((5 * 2 + 3x * 2) + x(5 + 3x)) + 15(x2 + -1) = 0
-5((10 + 6x) + x(5 + 3x)) + 15(x2 + -1) = 0
-5(10 + 6x + (5 * x + 3x * x)) + 15(x2 + -1) = 0
-5(10 + 6x + (5x + 3x2)) + 15(x2 + -1) = 0

Combine like terms: 6x + 5x = 11x
-5(10 + 11x + 3x2) + 15(x2 + -1) = 0
(10 * -5 + 11x * -5 + 3x2 * -5) + 15(x2 + -1) = 0
(-50 + -55x + -15x2) + 15(x2 + -1) = 0

Reorder the terms:
-50 + -55x + -15x2 + 15(-1 + x2) = 0
-50 + -55x + -15x2 + (-1 * 15 + x2 * 15) = 0
-50 + -55x + -15x2 + (-15 + 15x2) = 0

Reorder the terms:
-50 + -15 + -55x + -15x2 + 15x2 = 0

Combine like terms: -50 + -15 = -65
-65 + -55x + -15x2 + 15x2 = 0

Combine like terms: -15x2 + 15x2 = 0
-65 + -55x + 0 = 0
-65 + -55x = 0

Solving
-65 + -55x = 0

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '65' to each side of the equation.
-65 + 65 + -55x = 0 + 65

Combine like terms: -65 + 65 = 0
0 + -55x = 0 + 65
-55x = 0 + 65

Combine like terms: 0 + 65 = 65
-55x = 65

Divide each side by '-55'.
x = -1.181818182

Simplifying
x = -1.181818182

See similar equations:

| 2+4y(y-3)=4y-10 | | 5u^2+7y=-2 | | -6b+2b=2(-3b+5b) | | 2=-6.42z+10 | | [2a+7]=a-4 | | 3*9+4-1= | | 17x=51*5 | | 16x+20=12x+32 | | 3n+14=33-9n | | w=124m | | [3t-5]=2t | | 3ln(4x-1)=6 | | 4x-4.1x=9.6-12 | | log[3](4x-1)=3 | | 3(2x+1)=3(8x-1) | | 5u+2(1-u)=u+8 | | 44-y=25-2(8-3y) | | 9+2x=10-4x | | 12-8.5n=1.5n+11 | | -1+x=7x+11 | | 3x^2-102x-180=0 | | d=c-8 | | 7x+13=-1 | | 3/8=-1/4x-3/5 | | 6(13-8)= | | 5/8=1/10+5/14m | | 6n-11=13+n | | -8y^3+12y^2+y-6=0 | | 4x^3-12x=9x-27 | | (4x^3)(3xy^2)(2xy^2)= | | 2x+6(x-2)=36 | | y+3.4=-34.2 |

Equations solver categories