(7x-5)(8x+6)=0

Simple and best practice solution for (7x-5)(8x+6)=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-5)(8x+6)=0 equation:


Simplifying
(7x + -5)(8x + 6) = 0

Reorder the terms:
(-5 + 7x)(8x + 6) = 0

Reorder the terms:
(-5 + 7x)(6 + 8x) = 0

Multiply (-5 + 7x) * (6 + 8x)
(-5(6 + 8x) + 7x * (6 + 8x)) = 0
((6 * -5 + 8x * -5) + 7x * (6 + 8x)) = 0
((-30 + -40x) + 7x * (6 + 8x)) = 0
(-30 + -40x + (6 * 7x + 8x * 7x)) = 0
(-30 + -40x + (42x + 56x2)) = 0

Combine like terms: -40x + 42x = 2x
(-30 + 2x + 56x2) = 0

Solving
-30 + 2x + 56x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(-15 + x + 28x2) = 0

Factor a trinomial.
2((-3 + -4x)(5 + -7x)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-3 + -4x)' equal to zero and attempt to solve: Simplifying -3 + -4x = 0 Solving -3 + -4x = 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 + -4x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -4x = 0 + 3 -4x = 0 + 3 Combine like terms: 0 + 3 = 3 -4x = 3 Divide each side by '-4'. x = -0.75 Simplifying x = -0.75

Subproblem 2

Set the factor '(5 + -7x)' equal to zero and attempt to solve: Simplifying 5 + -7x = 0 Solving 5 + -7x = 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 + -7x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -7x = 0 + -5 -7x = 0 + -5 Combine like terms: 0 + -5 = -5 -7x = -5 Divide each side by '-7'. x = 0.7142857143 Simplifying x = 0.7142857143

Solution

x = {-0.75, 0.7142857143}

See similar equations:

| (b+7)(b-15)=0 | | h(h+3)(h+1)=60 | | y=log1/8x | | 2(p+3)+p+1=31 | | 6-8n+4n=30-92 | | (1/6)x3 | | 1/-8i | | 4x+5x=162 | | 3(4x-5)=6x+5 | | 2(2n-1)=(2n+7)+2 | | 3(2m-5)=11 | | 1222M+55=6 | | 0.6x+.3(40)=.5(x+40) | | 0.1a=0.001a | | A-55=-7 | | h(x)=-4.9x^2+5.7x+5 | | 2x^2+4y^2+4x-8y+200=0 | | 2(8+6)= | | a^2+a^2=5.64 | | 7(5x-7)-8=35x-57 | | sin(30-t)=0.5 | | 24=2(1)+2(t) | | x-5/4=x-9=3 | | 2x+4=2(x-4) | | 25+0.25times=40+0.25times | | x-0.15x=413.10 | | -9(x+6)+2=-3x-6(x+5) | | -2y-14=8y+16 | | 8+9(4x+6)=5-4(9x-6) | | 99/7x= | | (8x^2-6x-31)+(6x^2+9x)= | | -4/9*x=8 |

Equations solver categories