x^2+14x+42=-7

Simple and best practice solution for x^2+14x+42=-7 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+14x+42=-7 equation:


Simplifying
x2 + 14x + 42 = -7

Reorder the terms:
42 + 14x + x2 = -7

Solving
42 + 14x + x2 = -7

Solving for variable 'x'.

Reorder the terms:
42 + 7 + 14x + x2 = -7 + 7

Combine like terms: 42 + 7 = 49
49 + 14x + x2 = -7 + 7

Combine like terms: -7 + 7 = 0
49 + 14x + x2 = 0

Factor a trinomial.
(7 + x)(7 + x) = 0

Subproblem 1

Set the factor '(7 + x)' equal to zero and attempt to solve: Simplifying 7 + x = 0 Solving 7 + x = 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 + x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + x = 0 + -7 x = 0 + -7 Combine like terms: 0 + -7 = -7 x = -7 Simplifying x = -7

Subproblem 2

Set the factor '(7 + x)' equal to zero and attempt to solve: Simplifying 7 + x = 0 Solving 7 + x = 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 + x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + x = 0 + -7 x = 0 + -7 Combine like terms: 0 + -7 = -7 x = -7 Simplifying x = -7

Solution

x = {-7, -7}

See similar equations:

| 3(x+5)+2=6x+3(x+2) | | 10x+y=6x | | 34/9=170/m | | 4y^2+9=-2 | | x+2x=109 | | 396=4x^2+56x+384 | | 2(-2x+1)+(-x)=(-2x)+17 | | 5y-5x=7 | | 13u=5u^2-6 | | (-5/3)/(5/9)= | | x^2-2=26 | | 37/3=185/n | | 3x+5(2x+6)=13x+30 | | 6/5r-6=1/5r | | 9-8x-6-7x=6 | | 5/12p=-10/9 | | p(t)=40+15t-19t^2+t^3 | | (7b-4)-3(2b+4)=-3 | | -4(3y-8)+3(2y+8)= | | An=n+7 | | 10-4x+5x=7 | | 4(3x-6)-2=4(x-4)+30 | | N=200+30t-t^2 | | 9x-4=22x-2 | | 8-2(11-5)/3= | | 2x-7+7x-2= | | x^2-13=18 | | 5y+7=13y+7 | | 144-6(-12)= | | 0.75x+x= | | 11+b=2-2b | | -3(5p+6)-2(6-17p)=3(9+6p) |

Equations solver categories