(7x-8)(2x+7)=0

Simple and best practice solution for (7x-8)(2x+7)=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 (7x-8)(2x+7)=0 equation:


Simplifying
(7x + -8)(2x + 7) = 0

Reorder the terms:
(-8 + 7x)(2x + 7) = 0

Reorder the terms:
(-8 + 7x)(7 + 2x) = 0

Multiply (-8 + 7x) * (7 + 2x)
(-8(7 + 2x) + 7x * (7 + 2x)) = 0
((7 * -8 + 2x * -8) + 7x * (7 + 2x)) = 0
((-56 + -16x) + 7x * (7 + 2x)) = 0
(-56 + -16x + (7 * 7x + 2x * 7x)) = 0
(-56 + -16x + (49x + 14x2)) = 0

Combine like terms: -16x + 49x = 33x
(-56 + 33x + 14x2) = 0

Solving
-56 + 33x + 14x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-7 + -2x)(8 + -7x) = 0

Subproblem 1

Set the factor '(-7 + -2x)' equal to zero and attempt to solve: Simplifying -7 + -2x = 0 Solving -7 + -2x = 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 + -2x = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -2x = 0 + 7 -2x = 0 + 7 Combine like terms: 0 + 7 = 7 -2x = 7 Divide each side by '-2'. x = -3.5 Simplifying x = -3.5

Subproblem 2

Set the factor '(8 + -7x)' equal to zero and attempt to solve: Simplifying 8 + -7x = 0 Solving 8 + -7x = 0 Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -7x = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -7x = 0 + -8 -7x = 0 + -8 Combine like terms: 0 + -8 = -8 -7x = -8 Divide each side by '-7'. x = 1.142857143 Simplifying x = 1.142857143

Solution

x = {-3.5, 1.142857143}

See similar equations:

| 7X=2X+1*3 | | 0.6x-8=2x | | x=3y-18x+2y=2 | | 6(x-2)=4(x+2) | | 21-k=48 | | 8sin(x)=-3 | | 15a^2+4a=3 | | 7x+10y=-9 | | 3log(x)=-5 | | 7-3z=2(x+1) | | 3(x-7)-2x=-1 | | 14=18 | | x*6/4=6 | | X+6[x-1]=7[3+x] | | -3(9-9)=33 | | -2-3x=3+1x | | -39+2x=12-x | | (2xy+3y^2)dx-(2xy+y^2)dy=0 | | y=x-4/b | | (2xy+3y^2)dx+(2xy+y^2)dy=0 | | 6+4n=18 | | (n-7)(2n+7)=0 | | 3sin^3x+sinx=0 | | 2x+1=5x+9 | | -3-1x=3+5x | | x+x+(2)=16 | | 35k^2-22k=-3 | | (4x^6)(-5x)^2/(10x)(-x^2)^3 | | 72493=x*1.2 | | 3sin(3x)+sinx=0 | | 5x-6(2x+12)=-149 | | 3x+86=9x-4 |

Equations solver categories