7x^2+42=-35x

Simple and best practice solution for 7x^2+42=-35x 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+42=-35x equation:


Simplifying
7x2 + 42 = -35x

Reorder the terms:
42 + 7x2 = -35x

Solving
42 + 7x2 = -35x

Solving for variable 'x'.

Reorder the terms:
42 + 35x + 7x2 = -35x + 35x

Combine like terms: -35x + 35x = 0
42 + 35x + 7x2 = 0

Factor out the Greatest Common Factor (GCF), '7'.
7(6 + 5x + x2) = 0

Factor a trinomial.
7((3 + x)(2 + x)) = 0

Ignore the factor 7.

Subproblem 1

Set the factor '(3 + x)' equal to zero and attempt to solve: Simplifying 3 + x = 0 Solving 3 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + x = 0 + -3 x = 0 + -3 Combine like terms: 0 + -3 = -3 x = -3 Simplifying x = -3

Subproblem 2

Set the factor '(2 + x)' equal to zero and attempt to solve: Simplifying 2 + x = 0 Solving 2 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + x = 0 + -2 x = 0 + -2 Combine like terms: 0 + -2 = -2 x = -2 Simplifying x = -2

Solution

x = {-3, -2}

See similar equations:

| 150b^2-294= | | 4y=x+y+10 | | x^4+x^2-6= | | 5-6(2x+1)= | | b^4-3b^2-4=0 | | 3c+8=c+26 | | 1.5v+2=20 | | m^2-6mn-16n^2=0 | | 5(r-1)=2(2-4)-6 | | 4x^2+25x-21= | | x+(x+8)(-8)=x-8 | | -4x-4x=66-2 | | 4x+1+3x+2+2x+3+x+4=(2x+2) | | 6w^2+4w-25=0 | | -72=9t | | 4x^2+8xy+4y^2=0 | | 3c+4=c+13 | | 5-13=z-6 | | x=6(y+4) | | 72(5+3)=576 | | m^2+8mn+16n^2=0 | | 72(5+3)= | | 97a=194 | | -96=2(6n-6) | | 0.6w-0.4=-6+w | | 6(az-5)=25+bz | | log(base)2(x^2-3x-36)=2 | | X+134=64+X | | (10x-15)=15 | | 2(x-1)-(3x-5)=4(5x-1)-14 | | 2(9x-1)=-60-7(x+6) | | x^2+xy-20y^2=0 |

Equations solver categories