Solve the Quadratic Equation: x² - 3x + 2 = 0

Solve the following equation:

x23x+2=0 x^2-3x+2=0

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:00 Find X
00:03 Use the roots formula
00:23 Identify the coefficients
00:35 Substitute appropriate values according to the given data and solve
01:05 Calculate the square and products
01:17 One root is always equal to 1
01:27 These are the 2 possible solutions (addition,subtraction)
01:44 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:

x23x+2=0 x^2-3x+2=0

2

Step-by-step solution

To solve the quadratic equation x23x+2=0 x^2 - 3x + 2 = 0 , we'll follow these steps:

  • Step 1: Check for factorization. Assuming the quadratic can be factored, we look for two numbers that multiply to c=2 c = 2 and add to b=3 b = -3 . These numbers are 1-1 and 2-2.
  • Step 2: Factor the quadratic as (x1)(x2)=0(x - 1)(x - 2) = 0.
  • Step 3: Solve each factor for x x .

Now, let's solve the factors:
From (x1)=0(x - 1) = 0, we have x=1 x = 1 .
From (x2)=0(x - 2) = 0, we have x=2 x = 2 .

Thus, the solutions to the equation are x1=1 x_1 = 1 and x2=2 x_2 = 2 .

Therefore, the solution to the problem is x1=1,x2=2 x_1 = 1, x_2 = 2 .

3

Final Answer

x1=1,x2=2 x_1=1,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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