x*x+6x+9=49

Simple and best practice solution for x*x+6x+9=49 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+6x+9=49 equation:


Simplifying
x * x + 6x + 9 = 49

Multiply x * x
x2 + 6x + 9 = 49

Reorder the terms:
9 + 6x + x2 = 49

Solving
9 + 6x + x2 = 49

Solving for variable 'x'.

Reorder the terms:
9 + -49 + 6x + x2 = 49 + -49

Combine like terms: 9 + -49 = -40
-40 + 6x + x2 = 49 + -49

Combine like terms: 49 + -49 = 0
-40 + 6x + x2 = 0

Factor a trinomial.
(-10 + -1x)(4 + -1x) = 0

Subproblem 1

Set the factor '(-10 + -1x)' equal to zero and attempt to solve: Simplifying -10 + -1x = 0 Solving -10 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '10' to each side of the equation. -10 + 10 + -1x = 0 + 10 Combine like terms: -10 + 10 = 0 0 + -1x = 0 + 10 -1x = 0 + 10 Combine like terms: 0 + 10 = 10 -1x = 10 Divide each side by '-1'. x = -10 Simplifying x = -10

Subproblem 2

Set the factor '(4 + -1x)' equal to zero and attempt to solve: Simplifying 4 + -1x = 0 Solving 4 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1x = 0 + -4 -1x = 0 + -4 Combine like terms: 0 + -4 = -4 -1x = -4 Divide each side by '-1'. x = 4 Simplifying x = 4

Solution

x = {-10, 4}

See similar equations:

| x*x-3x+2=2 | | 5(x-30)=-29(5-x) | | log(1+x^2)=0.3 | | 4(m-2)-5m=-6 | | 7E-5= | | (3x-7)(3x-7)=64 | | -10=-4k-6k | | 6x^2-7x-15=0 | | 3a+10=80 | | -9s^3+16s= | | x-2+x+x+5=37 | | 3x+10=80 | | 49x*x=16 | | (4x-3)(4x-3)-64=0 | | 5x(x+4)-3(x+4)=0 | | 37x+14=304 | | x*x-12x+36=0 | | log[4]x=log[4]3+3 | | 81(x*x)-64=0 | | 3n+28=n^2 | | 3(a+5)=2(a-8) | | 81*x*x-64=0 | | 11y-20=6y | | x*x-36=0 | | 2x^3-320=0 | | x^3=380 | | -12=-6.5+3.5-t | | 41=4g+9 | | 2*ln(x)-ln(x-1)=2*ln(2) | | -8+3h=-7 | | 7ln(x+9)-8lnx= | | 9[3-(2-2x)]+6x=3(8x+5)-6 |

Equations solver categories