27a^2+350a-195=0

Simple and best practice solution for 27a^2+350a-195=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 27a^2+350a-195=0 equation:


Simplifying
27a2 + 350a + -195 = 0

Reorder the terms:
-195 + 350a + 27a2 = 0

Solving
-195 + 350a + 27a2 = 0

Solving for variable 'a'.

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

Divide each side by '27'.
-7.222222222 + 12.96296296a + a2 = 0

Move the constant term to the right:

Add '7.222222222' to each side of the equation.
-7.222222222 + 12.96296296a + 7.222222222 + a2 = 0 + 7.222222222

Reorder the terms:
-7.222222222 + 7.222222222 + 12.96296296a + a2 = 0 + 7.222222222

Combine like terms: -7.222222222 + 7.222222222 = 0.000000000
0.000000000 + 12.96296296a + a2 = 0 + 7.222222222
12.96296296a + a2 = 0 + 7.222222222

Combine like terms: 0 + 7.222222222 = 7.222222222
12.96296296a + a2 = 7.222222222

The a term is 12.96296296a.  Take half its coefficient (6.48148148).
Square it (42.00960218) and add it to both sides.

Add '42.00960218' to each side of the equation.
12.96296296a + 42.00960218 + a2 = 7.222222222 + 42.00960218

Reorder the terms:
42.00960218 + 12.96296296a + a2 = 7.222222222 + 42.00960218

Combine like terms: 7.222222222 + 42.00960218 = 49.231824402
42.00960218 + 12.96296296a + a2 = 49.231824402

Factor a perfect square on the left side:
(a + 6.48148148)(a + 6.48148148) = 49.231824402

Calculate the square root of the right side: 7.016539347

Break this problem into two subproblems by setting 
(a + 6.48148148) equal to 7.016539347 and -7.016539347.

Subproblem 1

a + 6.48148148 = 7.016539347 Simplifying a + 6.48148148 = 7.016539347 Reorder the terms: 6.48148148 + a = 7.016539347 Solving 6.48148148 + a = 7.016539347 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-6.48148148' to each side of the equation. 6.48148148 + -6.48148148 + a = 7.016539347 + -6.48148148 Combine like terms: 6.48148148 + -6.48148148 = 0.00000000 0.00000000 + a = 7.016539347 + -6.48148148 a = 7.016539347 + -6.48148148 Combine like terms: 7.016539347 + -6.48148148 = 0.535057867 a = 0.535057867 Simplifying a = 0.535057867

Subproblem 2

a + 6.48148148 = -7.016539347 Simplifying a + 6.48148148 = -7.016539347 Reorder the terms: 6.48148148 + a = -7.016539347 Solving 6.48148148 + a = -7.016539347 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-6.48148148' to each side of the equation. 6.48148148 + -6.48148148 + a = -7.016539347 + -6.48148148 Combine like terms: 6.48148148 + -6.48148148 = 0.00000000 0.00000000 + a = -7.016539347 + -6.48148148 a = -7.016539347 + -6.48148148 Combine like terms: -7.016539347 + -6.48148148 = -13.498020827 a = -13.498020827 Simplifying a = -13.498020827

Solution

The solution to the problem is based on the solutions from the subproblems. a = {0.535057867, -13.498020827}

See similar equations:

| f(x)=x^3-6x^2+12x+6 | | 0.16*0.005= | | -0+3y+1=2 | | 30/6*5=1 | | 34-4*5=14 | | -1-7-(-4)1-(-10)= | | 2y-5(-5)=1 | | y-7=-5x+5 | | 3(2x+.666666667x)+.222222222+.333333333=2(4x+.77777778) | | 3-3x=13-2x | | 3-3x=13-2 | | 4(-2)-3(-2)y=16 | | 7=0.14 | | 4x-(-3.5)=.75(5x+2)-.3x | | 1/5xy(5xy)3 | | 4z^2+4z+i=0 | | 6x(x-1)=21 | | 2(7x-2)=6(4x+1) | | 3(2x+1)-2(3x-5)=12 | | 4(1)+5=3-2y | | 14-8x+23=15-2(4x+1) | | (8-i)/(5-9i) | | 3x/9=1161 | | 3x+6y=10458 | | -24/-4 | | 6x^8-10x^3/2x | | -5x-12y-2x+6y= | | 10x-48=-2x^2 | | 7(2x-19)=28 | | 8x+3(2x+4)=26 | | -3/2/2 | | (10x^2y+9xy^2+xy)-(3x^2y-5xy^2-xy)= |

Equations solver categories