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

Simple and best practice solution for (7-x)(3+x)=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 (7-x)(3+x)=0 equation:


Simplifying
(7 + -1x)(3 + x) = 0

Multiply (7 + -1x) * (3 + x)
(7(3 + x) + -1x * (3 + x)) = 0
((3 * 7 + x * 7) + -1x * (3 + x)) = 0
((21 + 7x) + -1x * (3 + x)) = 0
(21 + 7x + (3 * -1x + x * -1x)) = 0
(21 + 7x + (-3x + -1x2)) = 0

Combine like terms: 7x + -3x = 4x
(21 + 4x + -1x2) = 0

Solving
21 + 4x + -1x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(7 + -1x)(3 + 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 '(3 + x)' equal to zero and attempt to solve: Simplifying 3 + x = 0 Solving 3 + x = 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 + x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + x = 0 + -3 x = 0 + -3 Combine like terms: 0 + -3 = -3 x = -3 Simplifying x = -3

Solution

x = {7, -3}

See similar equations:

| 10x+9-9x=14x-9+15x | | 16w+32=144 | | 2x^2-25x+12=0 | | 18=d/4+15 | | 6x+5=48 | | .33333333333z=.3z-.80 | | 5+x=6x-35 | | b/3+13=16 | | 5t^8(t-t^2+6t^3)= | | (3x-9)(3x+9)=0 | | 1=j/2-1 | | (x+4)/(3x-2)=4.5/9 | | 2a/5=4 | | (3x^9+8y)(7x^6+2y^8)= | | 9=-1.5x | | 5+w/4=10 | | 3+2w=15 | | -2/5=10 | | m+4=-14 | | -3x^2-2x+6=0 | | 3x+7x-69=102 | | (6x^7e^9)-(7x^8e^9)=0 | | 3+5x=4x+8 | | 400=3x+5x | | 2x^4-10x^3+13x^2-6=0 | | (-3)(r+6)= | | 4-4x-x=29 | | -17+5x=11+5x | | (1/2*x+6)/3=(x+3)/2 | | 13x+20=-11+38 | | 4x-2/3=34/3 | | 2(3h-1)+4h=10(2-3h)+3h |

Equations solver categories