a^2-7=57

Simple and best practice solution for a^2-7=57 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 a^2-7=57 equation: 


Simplifying
a2 + -7 = 57

Reorder the terms:
-7 + a2 = 57

Solving
-7 + a2 = 57

Solving for variable 'a'.

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

Add '7' to each side of the equation.
-7 + 7 + a2 = 57 + 7

Combine like terms: -7 + 7 = 0
0 + a2 = 57 + 7
a2 = 57 + 7

Combine like terms: 57 + 7 = 64
a2 = 64

Simplifying
a2 = 64

Take the square root of each side:
a = {-8, 8}

See similar equations:

| -24+(-62)+(-11)= | | (2x+7)/(x-3)-1=0 | | 3v^2=183 | | -6+(-42)+24= | | 1-(3/2x)=7/4 | | -78+(-78)+60= | | v^2-7=-2 | | -54+63+(-20)= | | 4+(-7)+(-4)= | | -5n^2=-235 | | (x+1/3)-(x-1/2)=1 | | -3+(-1)+(-2)= | | 6+4=1.3 | | p^2+8=57 | | 57y+14=54y-100 | | 1/21+1/2 | | 6x+-6=(x+-7)*7 | | 2x+4=-6-3x | | 3x^2=132 | | 6x-6=x-7*7 | | 2(4x+15)=6(2x+3)-5 | | 49k^2=4 | | -7(-x+2)+8(-x)+5(-5x-4)+34= | | log[2](3x+8)=4 | | 8+3x=14x+x | | 4(x-4)=104/13 | | -4+2(-6b+6)+4(3b-2)= | | x=-2(y-1)2 | | y=3(17)+14 | | y=4(17)+23 | | -5(-x+5)+10(-x)+3(-4x-4)+37= | | 4+3+x=28 |

Equations solver categories