k2-10k+21

Consider the form x2+bx+c. Find a pair of integers whose product is c and whose sum is b. In this case, whose product is 21 and whose sum is -10.

-7,-3

Write the factored form using these integers.

(k-7)(k-3)

Factor k^2-10k+21

Skip to content
# Factor k^2-10k+21

k2-10k+21

Consider the form x2+bx+c. Find a pair of integers whose product is c and whose sum is b. In this case, whose product is 21 and whose sum is -10.

-7,-3

Write the factored form using these integers.

(k-7)(k-3)

Factor k^2-10k+21