5a^2 - 6a -4 - (<span>-7a^2 + 3a -9)
=</span>5a^2 - 6a -4 + 7a^2 - 3a + 9
=12a^2 - 9a + 5
answer
12a^2 - 9a + 5
Answer:
Group the like terms
6x + 3x - x + 9
Work out the x values together and then add the 9
9x - x + 9
8x + 9
your final answer should be about 8x + 9 as it cannot be simplified anymore
Switch a and f and see if that works
Answer: 8 is the slope
Step-by-step explanation:
Y-7=8(x-14)
Y-7= 8x-112
Y= 8x -105
Answer: D
Step-by-step explanation: