3x=(2x+5)(4+x)

Simple and best practice solution for 3x=(2x+5)(4+x) 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 3x=(2x+5)(4+x) equation:



3x=(2x+5)(4+x)
We move all terms to the left:
3x-((2x+5)(4+x))=0
We add all the numbers together, and all the variables
3x-((2x+5)(x+4))=0
We multiply parentheses ..
-((+2x^2+8x+5x+20))+3x=0
We calculate terms in parentheses: -((+2x^2+8x+5x+20)), so:
(+2x^2+8x+5x+20)
We get rid of parentheses
2x^2+8x+5x+20
We add all the numbers together, and all the variables
2x^2+13x+20
Back to the equation:
-(2x^2+13x+20)
We add all the numbers together, and all the variables
3x-(2x^2+13x+20)=0
We get rid of parentheses
-2x^2+3x-13x-20=0
We add all the numbers together, and all the variables
-2x^2-10x-20=0
a = -2; b = -10; c = -20;
Δ = b2-4ac
Δ = -102-4·(-2)·(-20)
Δ = -60
Delta is less than zero, so there is no solution for the equation

See similar equations:

| 6x-9=-3(-2x+3) | | 21x^2-22x+792=0 | | 3(-6x+4/2)+3)-5=19 | | 4(b+2)=8 | | 3((-6x+4/2)+3)-5=19 | | 6+3/7=b-3/6 | | 2(16)^2x-1=128 | | 3x+10=4-1 | | 256/y^2+y^2=68 | | x÷8=37 | | 24=2(1/4+1)+2l | | 0=(3x/2)-6 | | -8y-1-y-11=64 | | 10x−x2−16=0 | | 5x(x+8)=2(x-4) | | 5(10-3b)=105-8b+4(1-4b | | 5^x+2=42 | | 9x−x2−14=0 | | 4u^2+5=21u | | 2(x+5=x | | 5n+5=800 | | 1/3x-6=x-14 | | 24/5z=420 | | 84x-220-143x=7 | | 8x+8=5x-25=180 | | 4.9x^2-10x=20 | | -3(x-1)+8=6x+7-5x(x-3) | | 2v=4v-6 | | 13(x–6)+6=4x–9 | | 2(5x+3)=6x+18 | | (5x+6)+3x=90 | | 84=x+6 |

Equations solver categories