Step-by-step explanation:
p(q-r) = pq - pr
Hope it helps
Don't quite get the question
Answer:
a) 7x^2 + 5x
Step-by-step explanation:
(9x^2 + 8x) – (2x^2 + 3x)
Distribute the minus sign
(9x^2 + 8x) – 2x^2 - 3x
Line them up vertically
(9x^2 + 8x)
– 2x^2 - 3x
-------------------
7x^2 +5x
(15, -8) :)
From C to midpoint you do (+10, -7), so you have to do that again to get to D