Question
Factor the expression
(x−2)(x−1)
Evaluate
x2−3x+2
Rewrite the expression
x2+(−1−2)x+2
Calculate
x2−x−2x+2
Rewrite the expression
x×x−x−2x+2
Factor out x from the expression
x(x−1)−2x+2
Factor out −2 from the expression
x(x−1)−2(x−1)
Solution
(x−2)(x−1)
Show Solution

Find the roots
x1=1,x2=2
Evaluate
x2−3x+2
To find the roots of the expression,set the expression equal to 0
x2−3x+2=0
Factor the expression
More Steps

Evaluate
x2−3x+2
Rewrite the expression
x2+(−1−2)x+2
Calculate
x2−x−2x+2
Rewrite the expression
x×x−x−2x+2
Factor out x from the expression
x(x−1)−2x+2
Factor out −2 from the expression
x(x−1)−2(x−1)
Factor out x−1 from the expression
(x−2)(x−1)
(x−2)(x−1)=0
When the product of factors equals 0,at least one factor is 0
x−2=0x−1=0
Solve the equation for x
More Steps

Evaluate
x−2=0
Move the constant to the right-hand side and change its sign
x=0+2
Removing 0 doesn't change the value,so remove it from the expression
x=2
x=2x−1=0
Solve the equation for x
More Steps

Evaluate
x−1=0
Move the constant to the right-hand side and change its sign
x=0+1
Removing 0 doesn't change the value,so remove it from the expression
x=1
x=2x=1
Solution
x1=1,x2=2
Show Solution
