x(2x+5)=7

Simple and best practice solution for x(2x+5)=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(2x+5)=7 equation:


Simplifying
x(2x + 5) = 7

Reorder the terms:
x(5 + 2x) = 7
(5 * x + 2x * x) = 7
(5x + 2x2) = 7

Solving
5x + 2x2 = 7

Solving for variable 'x'.

Reorder the terms:
-7 + 5x + 2x2 = 7 + -7

Combine like terms: 7 + -7 = 0
-7 + 5x + 2x2 = 0

Factor a trinomial.
(-7 + -2x)(1 + -1x) = 0

Subproblem 1

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

Subproblem 2

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

Solution

x = {-3.5, 1}

See similar equations:

| y=ln^2(3x-1) | | (10-6)*(2+9)/3 | | 800/x+32x=0 | | 2X^2+1/2X=0 | | 29x+21/45=0 | | x^2+p^2-px+4=0 | | (X+1)*(2X-2)=X*(X+1)+(X+1)*(1-2X) | | (D^3+D^2+D+6)y=0 | | y^3+y^2+y+6=0 | | D^3+D^2+D+6=0 | | x+5=4y | | 4(x-3)+2=3y-2 | | X^2+4x(x+1)=0 | | 22=14y | | (6x-5)/(x-8)+(sqrt(x)-6)/8 | | antx=0.083 | | 2x-13=x+1/4 | | 30+5x/10+x=3.75 | | (30+5x)/)10+x=3.75 | | 3x-2x(x-1)=x-2(x-1) | | 4x+5=6-3(x-2) | | h(t)=24t^2+96t+880 | | -2x+11x-17=0 | | (0.3/x)^-1 | | 36=7x+6 | | 99*exp(0.25*x)=100 | | 2+4x=-3x+9 | | sin(3x-15)=0.5 | | a/3+6=9 | | (x+2)(x-4)=5x-7 | | 10-6*2+9/3= | | 7x=-24+x |

Equations solver categories