Solve the Quadratic Equation: 5x² + 10x = 0 Using Factoring

Solve the following equation:

5x2+10x=0 5x^2+10x=0

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:00 Find X
00:10 Factor X squared into factors X and X
00:13 Factor 10 into factors 5 and 2
00:19 Find the common factor
00:34 Take out the common factor from the parentheses
00:41 Find what makes each factor in the product zero, so it equals 0
00:47 Isolate X, this is one solution
00:56 Now let's use the same method and find the second solution
01:03 And this is the solution to the question

Step-by-step written solution

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1

Understand the problem

Solve the following equation:

5x2+10x=0 5x^2+10x=0

2

Step-by-step solution

To solve the quadratic equation 5x2+10x=05x^2 + 10x = 0, we will follow these steps:

  • Step 1: Factor the equation: Identify the greatest common factor, which in this case is 5x5x.
  • Step 2: Apply the zero product property: Set each factor equal to zero and solve for xx.

Now, let's execute these steps:

Step 1: Factor the equation.
The equation is 5x2+10x=05x^2 + 10x = 0.
Factor out the greatest common factor, 5x5x, from both terms:
5x(x+2)=05x(x + 2) = 0.

Step 2: Apply the zero product property.
According to this property, if the product of factors is zero, then at least one of the factors must be zero.
Thus, we set each factor equal to zero:

  • 5x=05x = 0
  • x+2=0x + 2 = 0

Solving these, we find:

5x=0x=05x = 0 \Rightarrow x = 0

x+2=0x=2x + 2 = 0 \Rightarrow x = -2

Therefore, the solutions to the equation 5x2+10x=05x^2 + 10x = 0 are x1=0x_1 = 0 and x2=2x_2 = -2.

The correct choice among the provided options is: x1=0,x2=2x_1 = 0, x_2 = -2.

3

Final Answer

x1=0,x2=2 x_1=0,x_2=-2

Practice Quiz

Test your knowledge with interactive questions

a = Coefficient of x²

b = Coefficient of x

c = Coefficient of the independent number


what is the value of \( a \) in the equation

\( y=3x-10+5x^2 \)

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