<span>x2 − 8x + 16
= (x - 4)(x - 4)
= (x - 4)^2</span>
Answer:
4) -4
5) -6x-20
Step-by-step explanation:
Add x with x's and numbers with numbers
4) -6x + 9 + 6x -13
-6x+6x+9-13
x's cancel
9-13 = -4
5) 8x - 9 -11 -14x
8x-14x-9-11
-6x-20
hope this helps
Answer:140
Step-by-step explanation:
A typewriter costing $75.00 marked up 40% on cost M = 40 and S = 105
