(x-7)(x-3)=

Simple and best practice solution for (x-7)(x-3)= 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-7)(x-3)= equation:


Simplifying
(x + -7)(x + -3) = 0

Reorder the terms:
(-7 + x)(x + -3) = 0

Reorder the terms:
(-7 + x)(-3 + x) = 0

Multiply (-7 + x) * (-3 + x)
(-7(-3 + x) + x(-3 + x)) = 0
((-3 * -7 + x * -7) + x(-3 + x)) = 0
((21 + -7x) + x(-3 + x)) = 0
(21 + -7x + (-3 * x + x * x)) = 0
(21 + -7x + (-3x + x2)) = 0

Combine like terms: -7x + -3x = -10x
(21 + -10x + x2) = 0

Solving
21 + -10x + x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(3 + -1x)(7 + -1x) = 0

Subproblem 1

Set the factor '(3 + -1x)' equal to zero and attempt to solve: Simplifying 3 + -1x = 0 Solving 3 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1x = 0 + -3 -1x = 0 + -3 Combine like terms: 0 + -3 = -3 -1x = -3 Divide each side by '-1'. x = 3 Simplifying x = 3

Subproblem 2

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

Solution

x = {3, 7}

See similar equations:

| 20(y+4)=4(2y+5) | | 490=112x-223517 | | 9x^2+13(3x)+42=0 | | s^2+17s+52= | | 2x(x+2)=4 | | n*(-9)=3 | | 3(a+2)+4a= | | 35y^5-5y^4= | | 15+3x-9+8x= | | (2-6)= | | 80-.33(225)= | | 5x-2y+5z=10y-6z-2 | | 4x^3-6x^2+12x=0 | | x-11=-5 | | s^2+17s+53= | | 4x-2(-3)=3(12)+8 | | -3+5x=2x-21 | | 4y-6=7y+12 | | (4*-5)= | | 3x+2+2x-5=17 | | x-7.7=-6.9 | | 2-[2x-5]=7 | | -126=141k | | 5/6=-5/9 | | 3(10+x)=8x | | 3x+2+2x+5=17 | | -6x+7=-3x+4 | | -5x^2-75x=0 | | -2w+5w= | | n*3=3 | | 9(6+y)+3y= | | x^2-16x+48= |

Equations solver categories