7a^2-18a+8=0

Simple and best practice solution for 7a^2-18a+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^2-18a+8=0 equation:


Simplifying
7a2 + -18a + 8 = 0

Reorder the terms:
8 + -18a + 7a2 = 0

Solving
8 + -18a + 7a2 = 0

Solving for variable 'a'.

Factor a trinomial.
(4 + -7a)(2 + -1a) = 0

Subproblem 1

Set the factor '(4 + -7a)' equal to zero and attempt to solve: Simplifying 4 + -7a = 0 Solving 4 + -7a = 0 Move all terms containing a to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -7a = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -7a = 0 + -4 -7a = 0 + -4 Combine like terms: 0 + -4 = -4 -7a = -4 Divide each side by '-7'. a = 0.5714285714 Simplifying a = 0.5714285714

Subproblem 2

Set the factor '(2 + -1a)' equal to zero and attempt to solve: Simplifying 2 + -1a = 0 Solving 2 + -1a = 0 Move all terms containing a to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1a = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1a = 0 + -2 -1a = 0 + -2 Combine like terms: 0 + -2 = -2 -1a = -2 Divide each side by '-1'. a = 2 Simplifying a = 2

Solution

a = {0.5714285714, 2}

See similar equations:

| 5x-15=8x-9 | | 7a^2-18a+7=0 | | a-3=-18 | | 178+-15=x | | 1-4x=-17 | | 9z+7-4z=5+4z+10 | | 180+-2=x | | 4[2a-3a(2a+5b)+6a]= | | 9=8x+23 | | 10y/40=5 | | (x/2)+(1/5)=17 | | 5=x/7 | | 3x-24/3+4=13 | | 45+x+68+x+83=180 | | 3n^2-2n-40=0 | | 1/3b-1=5/6 | | x+2(1/2)=6(3/4) | | -3+p=-25 | | -2(4-3X)+9X-4= | | 7/12+y=1/6 | | 6(z-8)=7z-1 | | 2x/5=11 | | 153+-34=x | | -24=-28+z | | 297+-9=x | | 6x+2x=7x+6 | | 70+11x+11x=180 | | n-16/5 | | -4+z=-20 | | 90+x+58+x+38=180 | | r=sb | | t+25=10 |

Equations solver categories