7a^2-30a+8=0

Simple and best practice solution for 7a^2-30a+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^2-30a+8=0 equation:


Simplifying
7a2 + -30a + 8 = 0

Reorder the terms:
8 + -30a + 7a2 = 0

Solving
8 + -30a + 7a2 = 0

Solving for variable 'a'.

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

Subproblem 1

Set the factor '(2 + -7a)' equal to zero and attempt to solve: Simplifying 2 + -7a = 0 Solving 2 + -7a = 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 + -7a = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -7a = 0 + -2 -7a = 0 + -2 Combine like terms: 0 + -2 = -2 -7a = -2 Divide each side by '-7'. a = 0.2857142857 Simplifying a = 0.2857142857

Subproblem 2

Set the factor '(4 + -1a)' equal to zero and attempt to solve: Simplifying 4 + -1a = 0 Solving 4 + -1a = 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 + -1a = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1a = 0 + -4 -1a = 0 + -4 Combine like terms: 0 + -4 = -4 -1a = -4 Divide each side by '-1'. a = 4 Simplifying a = 4

Solution

a = {0.2857142857, 4}

See similar equations:

| y=7-6 | | 5x-3=3x+13 | | 6x+6=3x-3 | | 10b-5-3b=4b-1 | | 5s^2-14s-3=0 | | x+8=4x | | (4x-6)+x=164 | | 8x+4=8x-8 | | 6(m-8)-2(3m+2)=11m-5+7 | | 2x+3y=34 | | 2(x-5)+2x=4x+20 | | x+6=6(x+2) | | -2(5w-2)=4(4-2w) | | P=x^3-20x^2+124x | | 49w^2-9=0 | | P=x^3-20x^2+24x | | Z^2-3z-40=0 | | 2x*3+54=0 | | r^4=2r^3+35r^2 | | (x+8)(x-5)=(2x+1)(x-5) | | .4(3x+20)= | | 6(8-a)=2a | | .4+3= | | -5-7=2y+4-4y+1 | | 5m+9=3(m-5) | | .05=340*(-0.00090)+10b | | 22y-12=-4 | | -10n-29=-18n+91 | | .18=144*(-0.00090)+12*(-0.00090)+c | | m^2=-8m-15 | | 36x^2-12x-1=0 | | .65=720a |

Equations solver categories