4a^2-11a-35=0

Simple and best practice solution for 4a^2-11a-35=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 4a^2-11a-35=0 equation:


Simplifying
4a2 + -11a + -35 = 0

Reorder the terms:
-35 + -11a + 4a2 = 0

Solving
-35 + -11a + 4a2 = 0

Solving for variable 'a'.

Begin completing the square.  Divide all terms by
4 the coefficient of the squared term: 

Divide each side by '4'.
-8.75 + -2.75a + a2 = 0

Move the constant term to the right:

Add '8.75' to each side of the equation.
-8.75 + -2.75a + 8.75 + a2 = 0 + 8.75

Reorder the terms:
-8.75 + 8.75 + -2.75a + a2 = 0 + 8.75

Combine like terms: -8.75 + 8.75 = 0.00
0.00 + -2.75a + a2 = 0 + 8.75
-2.75a + a2 = 0 + 8.75

Combine like terms: 0 + 8.75 = 8.75
-2.75a + a2 = 8.75

The a term is -2.75a.  Take half its coefficient (-1.375).
Square it (1.890625) and add it to both sides.

Add '1.890625' to each side of the equation.
-2.75a + 1.890625 + a2 = 8.75 + 1.890625

Reorder the terms:
1.890625 + -2.75a + a2 = 8.75 + 1.890625

Combine like terms: 8.75 + 1.890625 = 10.640625
1.890625 + -2.75a + a2 = 10.640625

Factor a perfect square on the left side:
(a + -1.375)(a + -1.375) = 10.640625

Calculate the square root of the right side: 3.261997088

Break this problem into two subproblems by setting 
(a + -1.375) equal to 3.261997088 and -3.261997088.

Subproblem 1

a + -1.375 = 3.261997088 Simplifying a + -1.375 = 3.261997088 Reorder the terms: -1.375 + a = 3.261997088 Solving -1.375 + a = 3.261997088 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '1.375' to each side of the equation. -1.375 + 1.375 + a = 3.261997088 + 1.375 Combine like terms: -1.375 + 1.375 = 0.000 0.000 + a = 3.261997088 + 1.375 a = 3.261997088 + 1.375 Combine like terms: 3.261997088 + 1.375 = 4.636997088 a = 4.636997088 Simplifying a = 4.636997088

Subproblem 2

a + -1.375 = -3.261997088 Simplifying a + -1.375 = -3.261997088 Reorder the terms: -1.375 + a = -3.261997088 Solving -1.375 + a = -3.261997088 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '1.375' to each side of the equation. -1.375 + 1.375 + a = -3.261997088 + 1.375 Combine like terms: -1.375 + 1.375 = 0.000 0.000 + a = -3.261997088 + 1.375 a = -3.261997088 + 1.375 Combine like terms: -3.261997088 + 1.375 = -1.886997088 a = -1.886997088 Simplifying a = -1.886997088

Solution

The solution to the problem is based on the solutions from the subproblems. a = {4.636997088, -1.886997088}

See similar equations:

| 19x+-3=-18+14x | | 12p=-16 | | 1184*x+120*y+144*z=2066.28 | | 7b+4b-1b= | | 4q^2-8q+360=0 | | 2q^2-8q+360=0 | | q^2-4p=0 | | 18.5w+6.5w=149.1 | | 18.5w+6.5w= | | 1/2x32 | | 2x+8y=11.25 | | 4x(x+12)=3x+12 | | 1/2x-1814 | | b-64=0 | | 4/3--8/x-1 | | -0.6x-15=0.4x+11 | | 0=6x+x^2-16 | | 5x+10=70+2x | | 6/x-3=7 | | 10-z=15 | | 60-5/3c=25 | | C=x^2+5 | | 2w^2+5w-364=0 | | a^2+3a-35=0 | | X^2+30x+47=0 | | 60-5/3c=10 | | 10-z=17 | | x+5+x+5+x= | | 42000=Q+2000 | | 24y^4-20y^3=0 | | 6+(3-y)=10 | | 0=-16x^2+16t+370 |

Equations solver categories