2a^2-3=47

Simple and best practice solution for 2a^2-3=47 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 2a^2-3=47 equation: 


Simplifying
2a2 + -3 = 47

Reorder the terms:
-3 + 2a2 = 47

Solving
-3 + 2a2 = 47

Solving for variable 'a'.

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

Add '3' to each side of the equation.
-3 + 3 + 2a2 = 47 + 3

Combine like terms: -3 + 3 = 0
0 + 2a2 = 47 + 3
2a2 = 47 + 3

Combine like terms: 47 + 3 = 50
2a2 = 50

Divide each side by '2'.
a2 = 25

Simplifying
a2 = 25

Take the square root of each side:
a = {-5, 5}

See similar equations:

| 3x/5y-32g/57f=45 | | 2i=10x | | 24x+4= | | 4(6x+7)+8(-5+2)= | | 13+2x=14x-3 | | x+1=7 | | 14+8x=10x-3 | | -5-12I=0 | | (x^3y^4z^5/x^-3y^-4z^-5)^-2 | | (3+2I)-(6+13I)=0 | | x/7=x/6-1 | | (8-I)-(4+I)=0 | | 2.4=8.5+y | | .5x+.8=4.3 | | .35p=5.6 | | .5x+.3=2.3 | | y/5-8=(3y+1)/2 | | 345-13= | | Z=2/11c | | 3x(x+1)-x(3x-6)=8x+1 | | 8/15c+1/5c=1/7 | | -4/3g=9 | | 3x(x+1)+x(3x-6)=8x+1 | | 3x/10=12 | | 3x(x+1)+-x(3x-6)=8x+1 | | 5t-6=3t-2 | | 9/10c+1/5c=2/7 | | -4/3h=9 | | -6v^2+11v-3=0 | | (16/81)^(-1/4) | | (x^2-x-20)(x+1)/(x^2+5x+4)(x+5) | | (4/u-1)+(6/3u+1)=(15/3u+1) |

Equations solver categories