7a(-7a)=

Simple and best practice solution for 7a(-7a)= 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 7a(-7a)= equation: 


Simplifying
7a(-7a) = 0

Remove parenthesis around (-7a)
7a * -7a = 0

Reorder the terms for easier multiplication:
7 * -7a * a = 0

Multiply 7 * -7
-49a * a = 0

Multiply a * a
-49a2 = 0

Solving
-49a2 = 0

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Divide each side by '-49'.
a2 = 0

Simplifying
a2 = 0

Take the square root of each side:
a = {0}

See similar equations:

| 5/6b=140 | | 6-3p=4p+6 | | 3x-12=7x+8 | | 3(d-8)-5=9(d+3)+1 | | 140/5b=6 | | 5+2x-9forx=4 | | 20t-16t-t-1=14 | | 3/2(x-4)=8 | | 3/5b-8=22 | | 3s+4t=16 | | y=0.1(3) | | -6y+1=y+8 | | 92=3x+6x-7 | | x+5/4=27/10 | | x-5-2+9= | | (4x*4x*y*y*y*y*y*y*y)*256=x | | x+2-3= | | 140/6b=5 | | 3p-p-2=4 | | 2u-3=2+u | | 2+3b=-6 | | (X/-3)-2=9 | | 26-2(2x+2)=4(x+2)+6x | | 5=4-9x | | x-7=-2x+5 | | 6(3-2)/5=-2 | | 4-1=x+11 | | 6/23-4/23 | | 3x+12x+6x=180 | | -3/7*4/9 | | sqrt(X+96)-sqrt(x-36)=6 | | 8y-7y+2=20 |

Equations solver categories