7x^2-448=

Simple and best practice solution for 7x^2-448= 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 7x^2-448= equation:


Simplifying
7x2 + -448 = 0

Reorder the terms:
-448 + 7x2 = 0

Solving
-448 + 7x2 = 0

Solving for variable 'x'.

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

Add '448' to each side of the equation.
-448 + 448 + 7x2 = 0 + 448

Combine like terms: -448 + 448 = 0
0 + 7x2 = 0 + 448
7x2 = 0 + 448

Combine like terms: 0 + 448 = 448
7x2 = 448

Divide each side by '7'.
x2 = 64

Simplifying
x2 = 64

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

See similar equations:

| r=3(r+.5) | | 11/3×4/9 | | 6-9-(-6)= | | x-2y+74=0 | | 4/9×n=11/3 | | .8=.2+x-0.15 | | 3/100=n/660 | | x+5(x-5)=11 | | 3g+2g+5=0 | | Q^2+16q-15=0 | | 2(3+q)+q=3 | | 4-10-4-(-3)+3= | | an=1+(-1)n | | =2b*a | | 6(r+0.5)=r | | =2axb | | 5z+3=8z-4z | | h=-16t^2+132t+5 | | 0=32t^2+12t | | 3(r+0.5)=r | | 5(x+4)+2x=3(5x-4)-10x | | y^8+8y^4+16=0 | | 1=7.5x | | 7w-4/3=-4/3w-3/4 | | 2n-5=7c | | 6+2(3x-1)=-8 | | 4xy+1=0 | | 6+2(3x-1)=8 | | 2-bracket(-5)= | | -3/10h=5 | | 18=(x*36)+(y*18) | | 7a-5+a-3-8a= |

Equations solver categories