How do you factor r^2-4r+3?

3 Answers
Jun 6, 2018

r^2-4r+3=(r-1)*(r-3)

Explanation:

show below:

r^2-4r+3

(r-1)*(r-3)

Jun 6, 2018

(r-1)(r-3)

Explanation:

"the factors of + 3 which sum to - 4 are - 1 and - 3"

r^2-4r+3=(r-1)(r-3)

Jun 6, 2018

r^2-4r+3=color(blue)((r-1)(r-3)

Explanation:

Factor:

r^2-4r+3

Find two numbers that when added equal -4 and when multiplied equal 3. The numbers -1 and -3 meet the requirements.

Rewrite the equation as two binomials.

r^2-4r+3=(r-1)(r-3)