x*x-2x-63=0

Simple and best practice solution for x*x-2x-63=0 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*x-2x-63=0 equation:


Simplifying
x * x + -2x + -63 = 0

Multiply x * x
x2 + -2x + -63 = 0

Reorder the terms:
-63 + -2x + x2 = 0

Solving
-63 + -2x + x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-7 + -1x)(9 + -1x) = 0

Subproblem 1

Set the factor '(-7 + -1x)' equal to zero and attempt to solve: Simplifying -7 + -1x = 0 Solving -7 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + -1x = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -1x = 0 + 7 -1x = 0 + 7 Combine like terms: 0 + 7 = 7 -1x = 7 Divide each side by '-1'. x = -7 Simplifying x = -7

Subproblem 2

Set the factor '(9 + -1x)' equal to zero and attempt to solve: Simplifying 9 + -1x = 0 Solving 9 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + -1x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -1x = 0 + -9 -1x = 0 + -9 Combine like terms: 0 + -9 = -9 -1x = -9 Divide each side by '-1'. x = 9 Simplifying x = 9

Solution

x = {-7, 9}

See similar equations:

| 2k+8(k+8)=84 | | 2x=x+9y+12 | | 6-(3y-5)=3-4y | | -9w^2+21w-18=0 | | 3x+8=4+-4 | | A-b=ax | | A/ax=b | | 2x-Y=56 | | X^3-2x^2+0.4=0 | | 4z+1=5 | | 10x+2=4x+26 | | 10x+16y+6=10x+18y-2 | | X-20*y+20=56 | | (X-2)(y+2)=56 | | 0-3y=4y+2 | | 250X=10000+100x | | 6-(2y-9)=8-3y | | 5(3x+2)=4(7x-5) | | 4*4+4*4+4-4*4=-20 | | 4tanx=6 | | 2x^2+16x-48=0 | | 4x*x-1=2x+3 | | 80x^2=110 | | x/10-2=-7 | | 75x^2+210x+132=0 | | 56+17m=209 | | 8a+40=70-2a | | S=u-w/t | | 64y^2-48y+41=0 | | 26n-70=294 | | 8x-36/x^2 | | 3(4s+8)=168 |

Equations solver categories