x^2+3=42

Simple and best practice solution for x^2+3=42 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 x^2+3=42 equation:


Simplifying
x2 + 3 = 42

Reorder the terms:
3 + x2 = 42

Solving
3 + x2 = 42

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + x2 = 42 + -3

Combine like terms: 3 + -3 = 0
0 + x2 = 42 + -3
x2 = 42 + -3

Combine like terms: 42 + -3 = 39
x2 = 39

Simplifying
x2 = 39

Take the square root of each side:
x = {-6.244997998, 6.244997998}

See similar equations:

| -52(10b-2)=31 | | -8-6(5+5b)=-13-5b | | -7(6+3m)+5=26 | | 5a-2by=8 | | 3x^2-15=4x | | (x)(2x)= | | 2(2m+1)-3(m+2)=-13 | | 5x-15=-35 | | 3x+(x+2)+3x+(x+2)=360 | | 9+-6-6-6t=6 | | 7d+6+3=-31 | | 9c=5(25)-160 | | 2(x+8)=-24+7x | | 7=-5v-3 | | 2x-14=28-x | | 29=11+x+13 | | 2(x+8)=-24+7n | | 30-3g=15 | | x^2+55x-200=0 | | 6h+5=29 | | -9(1-4a)=-19 | | -19.4-37d=4.4 | | 4(n+8)=5n+27 | | 3x^2+16x=-25 | | (2a-16)/12=3/2 | | 48=4v+12 | | 12+6q=16+5q | | 8=2-10x | | 5-5a-7=-2(1+a)-(5a-6) | | 9t^2=18t+7 | | -5(-8-2n)+6=-22-2n | | .6x+8.8=4.9 |

Equations solver categories