(x+3)(15x-7)=0

Simple and best practice solution for (x+3)(15x-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 (x+3)(15x-7)=0 equation:


Simplifying
(x + 3)(15x + -7) = 0

Reorder the terms:
(3 + x)(15x + -7) = 0

Reorder the terms:
(3 + x)(-7 + 15x) = 0

Multiply (3 + x) * (-7 + 15x)
(3(-7 + 15x) + x(-7 + 15x)) = 0
((-7 * 3 + 15x * 3) + x(-7 + 15x)) = 0
((-21 + 45x) + x(-7 + 15x)) = 0
(-21 + 45x + (-7 * x + 15x * x)) = 0
(-21 + 45x + (-7x + 15x2)) = 0

Combine like terms: 45x + -7x = 38x
(-21 + 38x + 15x2) = 0

Solving
-21 + 38x + 15x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-3 + -1x)(7 + -15x) = 0

Subproblem 1

Set the factor '(-3 + -1x)' equal to zero and attempt to solve: Simplifying -3 + -1x = 0 Solving -3 + -1x = 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 + -1x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -1x = 0 + 3 -1x = 0 + 3 Combine like terms: 0 + 3 = 3 -1x = 3 Divide each side by '-1'. x = -3 Simplifying x = -3

Subproblem 2

Set the factor '(7 + -15x)' equal to zero and attempt to solve: Simplifying 7 + -15x = 0 Solving 7 + -15x = 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 + -15x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -15x = 0 + -7 -15x = 0 + -7 Combine like terms: 0 + -7 = -7 -15x = -7 Divide each side by '-15'. x = 0.4666666667 Simplifying x = 0.4666666667

Solution

x = {-3, 0.4666666667}

See similar equations:

| x(5+3x)=100 | | 200=e^10*x | | p=3.6x+32.4 | | 200=e^10x | | x(5+x)=100 | | 5n-3+4n=-12 | | x(5+x)=10000 | | 3x=(154/5) | | 0.2x-30+x(5+x)=100000 | | 11x-14y=7 | | v=v-18 | | 111x-14y=7 | | (2q)(6q)= | | 0.5m+6.4=4.9-1.0m | | 67-x+90(6x+546)=98-34x | | 83-y=222 | | 6x-5+0.25(188-2x)=32-0.5x+1000-(x+5) | | -7x+13-7x=-11x+37 | | 0.3X+0.12=0.03 | | 27^2*3a/3a | | 10-(1)/(10)x=(1)/(15)x | | 0=1x/3-2/3 | | h(3)=5*3+5 | | h(t)=-16t^2+128t+144 | | h(-4)=5*-4+5 | | h(-1)=5*-1+5 | | 4+1n(x-1)=6 | | 4+1(9x-1)=6 | | (6x+6)=5 | | Y=x/6-4/6 | | (1+w)(3w+4)=0 | | y=-4/3(3) |

Equations solver categories