I know I'm in middle school but i can help you.The answer is 12 your correct.
Y = 2 x² + 6 x - 20 = 2 ( x² + 3 x - 10 ) = 2 ( x² + 5 x - 2 x - 10 ) =
= 2 ( x ( x + 5 ) - 2 ( x + 5 ) ) = 2 ( x + 5 ) ( x - 2 )
x 1 = - 5, x 2 = 2
Answer: A ) ( - 5, 0 ), ( 2, 0 )
-9 to the second power will most likely be 81. A negative x a negative equals a positive. Hope this helped.
Answer:
40,000
Step-by-step explanation:
