6a^2-7a=-7

Simple and best practice solution for 6a^2-7a=-7 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 6a^2-7a=-7 equation:


Simplifying
6a2 + -7a = -7

Reorder the terms:
-7a + 6a2 = -7

Solving
-7a + 6a2 = -7

Solving for variable 'a'.

Reorder the terms:
7 + -7a + 6a2 = -7 + 7

Combine like terms: -7 + 7 = 0
7 + -7a + 6a2 = 0

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

Divide each side by '6'.
1.166666667 + -1.166666667a + a2 = 0

Move the constant term to the right:

Add '-1.166666667' to each side of the equation.
1.166666667 + -1.166666667a + -1.166666667 + a2 = 0 + -1.166666667

Reorder the terms:
1.166666667 + -1.166666667 + -1.166666667a + a2 = 0 + -1.166666667

Combine like terms: 1.166666667 + -1.166666667 = 0.000000000
0.000000000 + -1.166666667a + a2 = 0 + -1.166666667
-1.166666667a + a2 = 0 + -1.166666667

Combine like terms: 0 + -1.166666667 = -1.166666667
-1.166666667a + a2 = -1.166666667

The a term is -1.166666667a.  Take half its coefficient (-0.5833333335).
Square it (0.3402777780) and add it to both sides.

Add '0.3402777780' to each side of the equation.
-1.166666667a + 0.3402777780 + a2 = -1.166666667 + 0.3402777780

Reorder the terms:
0.3402777780 + -1.166666667a + a2 = -1.166666667 + 0.3402777780

Combine like terms: -1.166666667 + 0.3402777780 = -0.826388889
0.3402777780 + -1.166666667a + a2 = -0.826388889

Factor a perfect square on the left side:
(a + -0.5833333335)(a + -0.5833333335) = -0.826388889

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 2*4x+3-5x=1 | | 12(x+1)-3(-5x-8)= | | 4(y+3)=62 | | 23+44+14+32=223findbase | | -6(3x+1)+11(-2x+7)= | | -7(x+2)+28=21 | | x-0.85x=12600 | | 4(x+6)-2(3x+8)=12 | | -10(1-9x)+6(y-10)= | | _=d/360 | | 56+(-12)+(-9)= | | 23+(-72+86)+(-98)= | | 16-(-30)= | | 16-(30)= | | (-11)+20= | | 5-2a=11 | | 76-(-34)= | | (-27)-27= | | (-25)-8= | | X^27=19 | | 3(x+4)-2x=6 | | (-10)+(-12)+20= | | 14+(-30)+16= | | (-23+18)+(-23)= | | (-9)+(13)= | | (1+x^2)dy=(1+y^2)dx | | [(116-(-93)-34)]= | | 9k+8k= | | [1-(-3)]-25= | | [(15-3)]-(-7)= | | [(26-3)-12]= | | [16-(-3)]-(-7)= |

Equations solver categories