9a^2+25a-6=a

Simple and best practice solution for 9a^2+25a-6=a 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 9a^2+25a-6=a equation:


Simplifying
9a2 + 25a + -6 = a

Reorder the terms:
-6 + 25a + 9a2 = a

Solving
-6 + 25a + 9a2 = a

Solving for variable 'a'.

Reorder the terms:
-6 + 25a + -1a + 9a2 = a + -1a

Combine like terms: 25a + -1a = 24a
-6 + 24a + 9a2 = a + -1a

Combine like terms: a + -1a = 0
-6 + 24a + 9a2 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(-2 + 8a + 3a2) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(-2 + 8a + 3a2)' equal to zero and attempt to solve: Simplifying -2 + 8a + 3a2 = 0 Solving -2 + 8a + 3a2 = 0 Begin completing the square. Divide all terms by 3 the coefficient of the squared term: Divide each side by '3'. -0.6666666667 + 2.666666667a + a2 = 0 Move the constant term to the right: Add '0.6666666667' to each side of the equation. -0.6666666667 + 2.666666667a + 0.6666666667 + a2 = 0 + 0.6666666667 Reorder the terms: -0.6666666667 + 0.6666666667 + 2.666666667a + a2 = 0 + 0.6666666667 Combine like terms: -0.6666666667 + 0.6666666667 = 0.0000000000 0.0000000000 + 2.666666667a + a2 = 0 + 0.6666666667 2.666666667a + a2 = 0 + 0.6666666667 Combine like terms: 0 + 0.6666666667 = 0.6666666667 2.666666667a + a2 = 0.6666666667 The a term is 2.666666667a. Take half its coefficient (1.333333334). Square it (1.777777780) and add it to both sides. Add '1.777777780' to each side of the equation. 2.666666667a + 1.777777780 + a2 = 0.6666666667 + 1.777777780 Reorder the terms: 1.777777780 + 2.666666667a + a2 = 0.6666666667 + 1.777777780 Combine like terms: 0.6666666667 + 1.777777780 = 2.4444444467 1.777777780 + 2.666666667a + a2 = 2.4444444467 Factor a perfect square on the left side: (a + 1.333333334)(a + 1.333333334) = 2.4444444467 Calculate the square root of the right side: 1.563471921 Break this problem into two subproblems by setting (a + 1.333333334) equal to 1.563471921 and -1.563471921.

Subproblem 1

a + 1.333333334 = 1.563471921 Simplifying a + 1.333333334 = 1.563471921 Reorder the terms: 1.333333334 + a = 1.563471921 Solving 1.333333334 + a = 1.563471921 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-1.333333334' to each side of the equation. 1.333333334 + -1.333333334 + a = 1.563471921 + -1.333333334 Combine like terms: 1.333333334 + -1.333333334 = 0.000000000 0.000000000 + a = 1.563471921 + -1.333333334 a = 1.563471921 + -1.333333334 Combine like terms: 1.563471921 + -1.333333334 = 0.230138587 a = 0.230138587 Simplifying a = 0.230138587

Subproblem 2

a + 1.333333334 = -1.563471921 Simplifying a + 1.333333334 = -1.563471921 Reorder the terms: 1.333333334 + a = -1.563471921 Solving 1.333333334 + a = -1.563471921 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-1.333333334' to each side of the equation. 1.333333334 + -1.333333334 + a = -1.563471921 + -1.333333334 Combine like terms: 1.333333334 + -1.333333334 = 0.000000000 0.000000000 + a = -1.563471921 + -1.333333334 a = -1.563471921 + -1.333333334 Combine like terms: -1.563471921 + -1.333333334 = -2.896805255 a = -2.896805255 Simplifying a = -2.896805255

Solution

The solution to the problem is based on the solutions from the subproblems. a = {0.230138587, -2.896805255}

Solution

a = {0.230138587, -2.896805255}

See similar equations:

| 9a+6=31.2 | | 8x+6-4x=11 | | (-5x^4)(2x^6)= | | X-2y=y+1 | | 4x-5=11x-26# | | -16+4=-28 | | 6-3(2x-4)=2+5(3x-3) | | 2x+-4=11 | | -8(2n-4)9x= | | 2c+7c=104 | | 2x^2+5y^2-6x-2y+4=0 | | (2x+9)+(x-5)=25 | | 17-y/=4.5 | | 2c+7c=2 | | 0=-49x^2+19.6x+58.8 | | 3n-4=-14 | | 10p+125=305 | | -3x-x=18-16-4 | | -7x^2/-84-2x= | | x-3x=18-16-4 | | 2.1h-18.87=19.77+4.5h | | 6x-8=4(2x-7) | | -5/4v=20 | | X+0.31x=9.1 | | Y=3x^2-12x+2 | | 2x-14*6= | | 9/12x2/3 | | -3.66-3.1v=-6.46-5.6v+2.3v | | 15/(5/6) | | 3b^2+20b-32=0 | | 1/8p=6 | | -11.2k+8.03=-12.3k |

Equations solver categories