Answer:
(n−9)(n−1)
Step-by-step explanation:
Consider the form x2+bx+c
. Find a pair of integers whose product is c and whose sum is b. In this case,product is 9
and whose sum is −10.−9,−
the factored form using these integers.(n−9)−1 )
9x - 2 = 4x + 8 → (9-4)x = 8 + 2 → 5x = 10 → x = 10/2 = 5
C. multiplication
Multiplication not used
use triangle