x(x-1)=(x-5)(2x+7)

Simple and best practice solution for x(x-1)=(x-5)(2x+7) 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(x-1)=(x-5)(2x+7) equation:


Simplifying
x(x + -1) = (x + -5)(2x + 7)

Reorder the terms:
x(-1 + x) = (x + -5)(2x + 7)
(-1 * x + x * x) = (x + -5)(2x + 7)
(-1x + x2) = (x + -5)(2x + 7)

Reorder the terms:
-1x + x2 = (-5 + x)(2x + 7)

Reorder the terms:
-1x + x2 = (-5 + x)(7 + 2x)

Multiply (-5 + x) * (7 + 2x)
-1x + x2 = (-5(7 + 2x) + x(7 + 2x))
-1x + x2 = ((7 * -5 + 2x * -5) + x(7 + 2x))
-1x + x2 = ((-35 + -10x) + x(7 + 2x))
-1x + x2 = (-35 + -10x + (7 * x + 2x * x))
-1x + x2 = (-35 + -10x + (7x + 2x2))

Combine like terms: -10x + 7x = -3x
-1x + x2 = (-35 + -3x + 2x2)

Solving
-1x + x2 = -35 + -3x + 2x2

Solving for variable 'x'.

Reorder the terms:
35 + -1x + 3x + x2 + -2x2 = -35 + -3x + 2x2 + 35 + 3x + -2x2

Combine like terms: -1x + 3x = 2x
35 + 2x + x2 + -2x2 = -35 + -3x + 2x2 + 35 + 3x + -2x2

Combine like terms: x2 + -2x2 = -1x2
35 + 2x + -1x2 = -35 + -3x + 2x2 + 35 + 3x + -2x2

Reorder the terms:
35 + 2x + -1x2 = -35 + 35 + -3x + 3x + 2x2 + -2x2

Combine like terms: -35 + 35 = 0
35 + 2x + -1x2 = 0 + -3x + 3x + 2x2 + -2x2
35 + 2x + -1x2 = -3x + 3x + 2x2 + -2x2

Combine like terms: -3x + 3x = 0
35 + 2x + -1x2 = 0 + 2x2 + -2x2
35 + 2x + -1x2 = 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
35 + 2x + -1x2 = 0

Factor a trinomial.
(7 + -1x)(5 + x) = 0

Subproblem 1

Set the factor '(7 + -1x)' equal to zero and attempt to solve: Simplifying 7 + -1x = 0 Solving 7 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -1x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1x = 0 + -7 -1x = 0 + -7 Combine like terms: 0 + -7 = -7 -1x = -7 Divide each side by '-1'. x = 7 Simplifying x = 7

Subproblem 2

Set the factor '(5 + x)' equal to zero and attempt to solve: Simplifying 5 + x = 0 Solving 5 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + x = 0 + -5 x = 0 + -5 Combine like terms: 0 + -5 = -5 x = -5 Simplifying x = -5

Solution

x = {7, -5}

See similar equations:

| x(x-10)=(x-5)(2x+7) | | 3x^3*lnx=12*lnx | | 5x-4f(x)=8 | | 4-3/2x=16 | | 7x-7(-3x+5)=-259 | | 0.75+1-0.25n=-100 | | 9x^3-8=-34x | | 0=x^4-15x^2+54 | | y=1.8x-1.2 | | 1/5x=3x-28 | | -7x+32=-80-11x | | X^4-7x^2+4x+20=0 | | 3x+(115+20)=180 | | 21=3/5y | | 39=-6x+5(3x-12) | | 14-6x=4-4x | | -4x+5(-x-18)=-36 | | 32=2(4)+4(2h)+4(2h) | | .05n+.1D=1.60 | | 13x^10+143x^9+715x^8+2145x^7+4290x^6+6006x^5+6006x^4+4290x^3+2145x^2+715x+130=300 | | -0.15x+x=1 | | -15=-5x+2(3x-2) | | L=L(r+R) | | 13x^11+143x^10+715x^9+2145x^8+4290x^7+6006x^6+6006x^5+4290x^4+2145x^3+715x^2+130x=300 | | X/2×(x-3)=90 | | 6/w=42 | | F=L(r+R)forR | | .80+1=.75+2 | | 284=2x+5(6x-20) | | 71x-7x=5x-13 | | 13+e=3 | | .50x+13=.75x+15 |

Equations solver categories