Answer:
no estoy segura como se debe responder
1 (x + 2y = -20) ----> x*2y= -20
-1 (x + 3y = -27) ----> x-3y= 27
(0) x + (-1) y = 7
B.1440
Hope it helps :D
the correct answer is 1/5
Step-by-step explanation:
477.1
4(p−1)(p−3)
Factor 4p2−16p+12
4p2−16p+12
=4(p−1)(p−3)