4a^2+20a+35=0

Simple and best practice solution for 4a^2+20a+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+20a+35=0 equation:


Simplifying
4a2 + 20a + 35 = 0

Reorder the terms:
35 + 20a + 4a2 = 0

Solving
35 + 20a + 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 + 5a + a2 = 0

Move the constant term to the right:

Add '-8.75' to each side of the equation.
8.75 + 5a + -8.75 + a2 = 0 + -8.75

Reorder the terms:
8.75 + -8.75 + 5a + a2 = 0 + -8.75

Combine like terms: 8.75 + -8.75 = 0.00
0.00 + 5a + a2 = 0 + -8.75
5a + a2 = 0 + -8.75

Combine like terms: 0 + -8.75 = -8.75
5a + a2 = -8.75

The a term is 5a.  Take half its coefficient (2.5).
Square it (6.25) and add it to both sides.

Add '6.25' to each side of the equation.
5a + 6.25 + a2 = -8.75 + 6.25

Reorder the terms:
6.25 + 5a + a2 = -8.75 + 6.25

Combine like terms: -8.75 + 6.25 = -2.5
6.25 + 5a + a2 = -2.5

Factor a perfect square on the left side:
(a + 2.5)(a + 2.5) = -2.5

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 0=16t^2+67t | | 54/30=x/5 | | 14/5x4/5= | | -3(8+3a)=-30+-8a | | E^(1/5x) | | 3x-7y-5=0 | | 25b^2+0x-16=0 | | 7z+8=15 | | 2(-2)+5= | | 8x^2+x+12=0 | | -1.5x-2=-0.6-13.6 | | 16x^2=67x | | -136=8(m+-8)+4m | | 7k^2-18k-9=0 | | -163=8(m+-8)+4m | | C=3.14*41 | | 3v^2-31v+10=0 | | 5y-4=24 | | 3x(x-8)=x(3x-5)+9 | | 2a^2-30a+100=0 | | 7(2+-6m)=-112 | | 40+5x=10x | | -3x-2+4+2x=40 | | 5(X+40)=65 | | (3+y)(3y+4)=0 | | f/4-20=-29 | | 81=-5(2n+1)+6 | | 6b^2+23b-18=0 | | g/5=16=27 | | F(x)=x^3+9x^2+24(x)+65 | | -8(x+8)+69=10-9x | | 3x-2+4-2x=40 |

Equations solver categories