a^2+4=28

Simple and best practice solution for a^2+4=28 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+4=28 equation:


Simplifying
a2 + 4 = 28

Reorder the terms:
4 + a2 = 28

Solving
4 + a2 = 28

Solving for variable 'a'.

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

Add '-4' to each side of the equation.
4 + -4 + a2 = 28 + -4

Combine like terms: 4 + -4 = 0
0 + a2 = 28 + -4
a2 = 28 + -4

Combine like terms: 28 + -4 = 24
a2 = 24

Simplifying
a2 = 24

Take the square root of each side:
a = {-4.898979486, 4.898979486}

See similar equations:

| a^2+4=29 | | 81a^4-1=0 | | =4[(10-6)+6(2)] | | 5+r=4r | | 15x^2-26x+7= | | 6=12-3y | | 3x+2x=4x-2 | | 6a^2+a-5=o | | 8.25x-x=1.45 | | 208=42x+w | | 1-2x-37=84 | | 3c+15=-9 | | 8x^3-y^3=0 | | V=wh | | 42+w=208 | | 7x^2+24x-55= | | -0.3+1.1= | | 19.99+.35x=29.99 | | 2(x-5)-5(x-2)=x+3-(x-3) | | 9x-10= | | M-2(m+1)=-7 | | 208=42-w | | 2g+7g+9g= | | 6(n-5)-(2-7n)=12n | | -x+63=21 | | 2g+9g+7= | | 3n-5=-8(4n+5) | | 2b-4b=-2b-2 | | 2+5[5+2*10]+3= | | -25w+150=650 | | t+5=10 | | 5x^2y^2+9xy+1=0 |

Equations solver categories