(x+3)(x-5)+(7-2x)(1-x)=12

Simple and best practice solution for (x+3)(x-5)+(7-2x)(1-x)=12 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+3)(x-5)+(7-2x)(1-x)=12 equation:


Simplifying
(x + 3)(x + -5) + (7 + -2x)(1 + -1x) = 12

Reorder the terms:
(3 + x)(x + -5) + (7 + -2x)(1 + -1x) = 12

Reorder the terms:
(3 + x)(-5 + x) + (7 + -2x)(1 + -1x) = 12

Multiply (3 + x) * (-5 + x)
(3(-5 + x) + x(-5 + x)) + (7 + -2x)(1 + -1x) = 12
((-5 * 3 + x * 3) + x(-5 + x)) + (7 + -2x)(1 + -1x) = 12
((-15 + 3x) + x(-5 + x)) + (7 + -2x)(1 + -1x) = 12
(-15 + 3x + (-5 * x + x * x)) + (7 + -2x)(1 + -1x) = 12
(-15 + 3x + (-5x + x2)) + (7 + -2x)(1 + -1x) = 12

Combine like terms: 3x + -5x = -2x
(-15 + -2x + x2) + (7 + -2x)(1 + -1x) = 12

Multiply (7 + -2x) * (1 + -1x)
-15 + -2x + x2 + (7(1 + -1x) + -2x * (1 + -1x)) = 12
-15 + -2x + x2 + ((1 * 7 + -1x * 7) + -2x * (1 + -1x)) = 12
-15 + -2x + x2 + ((7 + -7x) + -2x * (1 + -1x)) = 12
-15 + -2x + x2 + (7 + -7x + (1 * -2x + -1x * -2x)) = 12
-15 + -2x + x2 + (7 + -7x + (-2x + 2x2)) = 12

Combine like terms: -7x + -2x = -9x
-15 + -2x + x2 + (7 + -9x + 2x2) = 12

Reorder the terms:
-15 + 7 + -2x + -9x + x2 + 2x2 = 12

Combine like terms: -15 + 7 = -8
-8 + -2x + -9x + x2 + 2x2 = 12

Combine like terms: -2x + -9x = -11x
-8 + -11x + x2 + 2x2 = 12

Combine like terms: x2 + 2x2 = 3x2
-8 + -11x + 3x2 = 12

Solving
-8 + -11x + 3x2 = 12

Solving for variable 'x'.

Reorder the terms:
-8 + -12 + -11x + 3x2 = 12 + -12

Combine like terms: -8 + -12 = -20
-20 + -11x + 3x2 = 12 + -12

Combine like terms: 12 + -12 = 0
-20 + -11x + 3x2 = 0

Factor a trinomial.
(-4 + -3x)(5 + -1x) = 0

Subproblem 1

Set the factor '(-4 + -3x)' equal to zero and attempt to solve: Simplifying -4 + -3x = 0 Solving -4 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + -3x = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -3x = 0 + 4 -3x = 0 + 4 Combine like terms: 0 + 4 = 4 -3x = 4 Divide each side by '-3'. x = -1.333333333 Simplifying x = -1.333333333

Subproblem 2

Set the factor '(5 + -1x)' equal to zero and attempt to solve: Simplifying 5 + -1x = 0 Solving 5 + -1x = 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 + -1x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1x = 0 + -5 -1x = 0 + -5 Combine like terms: 0 + -5 = -5 -1x = -5 Divide each side by '-1'. x = 5 Simplifying x = 5

Solution

x = {-1.333333333, 5}

See similar equations:

| x^2+16x+y^2-2y-37=0 | | c(x)=18x+20 | | Solve(x+3)(x-5)+(7-2x)(1-x)=12 | | 7(x+2)-4(x-3)=8 | | 30=6x+5 | | x^2+4x+y^2+10y-7=0 | | 24+10w/12w | | FG=100-2x | | 5x-25=90 | | (14x-9)/7 | | -19-5X=11-10 | | 18x+20=c | | 0.12=y/0.5 | | (-4+6)=(x+9) | | 1=w/4-2 | | x=-0.2+0.2y | | (4/2w)+(5/6) | | 48v^2+32v-3=0 | | 8=u/2+6 | | -18=(9-a)/2 | | 2x+2=38 | | -70-42=k | | 7/2x+1/2x=101/2+5/2x | | 3y-5/y=12/5 | | 8X+7=w | | -18=3(-z+6)+2 | | 4.1/4=3p | | 8(69/8+3)=h | | 3y^2+24y=0 | | 15j=-8(-2j+11) | | 5x+4x-48=32-7x | | 6(12t+8)=-4(-16-17t) |

Equations solver categories