(4+x)(2x+7)=0

Simple and best practice solution for (4+x)(2x+7)=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 (4+x)(2x+7)=0 equation: 


Simplifying
(4 + x)(2x + 7) = 0

Reorder the terms:
(4 + x)(7 + 2x) = 0

Multiply (4 + x) * (7 + 2x)
(4(7 + 2x) + x(7 + 2x)) = 0
((7 * 4 + 2x * 4) + x(7 + 2x)) = 0
((28 + 8x) + x(7 + 2x)) = 0
(28 + 8x + (7 * x + 2x * x)) = 0
(28 + 8x + (7x + 2x2)) = 0

Combine like terms: 8x + 7x = 15x
(28 + 15x + 2x2) = 0

Solving
28 + 15x + 2x2 = 0

Solving for variable 'x'.

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


Subproblem 1
Set the factor '(4 + x)' equal to zero and attempt to solve:

Simplifying
4 + x = 0

Solving
4 + x = 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 + x = 0 + -4

Combine like terms: 4 + -4 = 0
0 + x = 0 + -4
x = 0 + -4

Combine like terms: 0 + -4 = -4
x = -4

Simplifying
x = -4

Subproblem 2
Set the factor '(7 + 2x)' equal to zero and attempt to solve:

Simplifying
7 + 2x = 0

Solving
7 + 2x = 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 + 2x = 0 + -7

Combine like terms: 7 + -7 = 0
0 + 2x = 0 + -7
2x = 0 + -7

Combine like terms: 0 + -7 = -7
2x = -7

Divide each side by '2'.
x = -3.5

Simplifying
x = -3.5
Solution
x = {-4, -3.5}

See similar equations:

| Y=0.3(1+5.37) | | (2x).3=17.5 | | =x^2(x+6) | | Y=0.3x+5.37 | | 5t+2t-51=0 | | e^6x=77e^9x | | 5+(-4)(-4*10)=-35 | | =x^2(6+x) | | 5800=40x+4000 | | 4.38b+3.42f=99.36 | | 40x+(20*1.5x)=573 | | =5(-x+9)+10 | | 6-2z=-18 | | 2w+15=4w+7 | | -11-8x=40 | | 103.9-98.6= | | 3.3+1.61= | | 27a=407 | | ln(2-x)=3 | | -5+5v=-15 | | 11.66+1.73= | | N/7=-18 | | 10m-90= | | 4(3y-2)-(5y+6)= | | (4y+2)*(5y)=130 | | X^2+0.34x-0.06=0 | | -29-41= | | e^6-4x=1926 | | 5+x=2+8 | | 3n+11=1-2n | | 7/2x=1/2 | | 25a^2+20a^3= |

Equations solver categories