25-x^2=9

Simple and best practice solution for 25-x^2=9 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 25-x^2=9 equation: 


Simplifying
25 + -1x2 = 9

Solving
25 + -1x2 = 9

Solving for variable 'x'.

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

Add '-25' to each side of the equation.
25 + -25 + -1x2 = 9 + -25

Combine like terms: 25 + -25 = 0
0 + -1x2 = 9 + -25
-1x2 = 9 + -25

Combine like terms: 9 + -25 = -16
-1x2 = -16

Divide each side by '-1'.
x2 = 16

Simplifying
x2 = 16

Take the square root of each side:
x = {-4, 4}

See similar equations:

| 4x^2+y+2=0 | | 32x+8y=16 | | Xy-3x+y=5 | | 3-2k=8k-3/(-3) | | 5y(y+4)=4(y+4) | | 10/2*36/6= | | (x=4)/4=x-5 | | 7d/3c | | 2y-7/3(-y)=12 | | z^4-z+1+i=0 | | Y=3.14(3476) | | (a+6)(a+7)=90 | | 10x-20=9x+7 | | x*x=x/x | | (z-9)(z+5)=-48 | | 8=x^2-2x-3 | | y*y=y*y | | 4x+7y=300 | | 3x+3x+x=350 | | 4x+7x=300 | | x^2-32x+2448=0 | | log(4x-1)(x+4)=1 | | -14x-2y=-15 | | X^2+kx+3x+k+2=0 | | 5/6x=1/4x-7 | | 15(X-4)-2(x+3)-3(x+8)=0 | | 3f+2=f-4 | | x^2-10x+121=0 | | 7(25-m)-2m=2(3m-25) | | -(-x+1)-3(5x-2)=-6+(-2x+8) | | 11=6cos(18x)+7 | | 1+8=11-5 |

Equations solver categories