(7a+8)(a-8)=0

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


Simplifying
(7a + 8)(a + -8) = 0

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

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

Multiply (8 + 7a) * (-8 + a)
(8(-8 + a) + 7a * (-8 + a)) = 0
((-8 * 8 + a * 8) + 7a * (-8 + a)) = 0
((-64 + 8a) + 7a * (-8 + a)) = 0
(-64 + 8a + (-8 * 7a + a * 7a)) = 0
(-64 + 8a + (-56a + 7a2)) = 0

Combine like terms: 8a + -56a = -48a
(-64 + -48a + 7a2) = 0

Solving
-64 + -48a + 7a2 = 0

Solving for variable 'a'.

Factor a trinomial.
(-8 + -7a)(8 + -1a) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(8 + -1a)' equal to zero and attempt to solve: Simplifying 8 + -1a = 0 Solving 8 + -1a = 0 Move all terms containing a to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -1a = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -1a = 0 + -8 -1a = 0 + -8 Combine like terms: 0 + -8 = -8 -1a = -8 Divide each side by '-1'. a = 8 Simplifying a = 8

Solution

a = {-1.142857143, 8}

See similar equations:

| -24x+-18=-24+-18 | | 5(2j)+(2j-3)= | | 1/4q=10 | | 4x(2x-3)=5 | | 3(2x+4)=41 | | n=0.8t^4+6.29t^3-33.79t^2+144.7t | | 20.99-.085x=253.89 | | .35x^2+2.3x-6.2=0 | | 4X+10=5x+3 | | 2(x+2)+x=-8 | | 3(x+4)-3=0 | | 27.3y=3/4 | | 3x-7x+35=15 | | -3/4x=-27 | | 1=y/0.2+20 | | -177+4x=-5x+48 | | 24y^2+54y=0 | | 28/9*9 | | 1/3(x+4)=-8 | | -5(1-5x)+5(-8x-2)=-4x-8c | | 9*31/9 | | -13x-5x+5x=13 | | 1/3(x+3)=-8 | | 9*28/9 | | 5/3.65=8/x | | 3(3x+3)=9x+9 | | -9x^2+45=0 | | -4(x-4)=7x+27 | | 6y-(6+4y)=12 | | 4(2y-1)-2(3y)=11 | | 12m^2-2m-24=0 | | -2(5-9x)-2(x-1)=14x |

Equations solver categories