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:either c or b
Step-by-step explanation: to be honest I searched up
Answer: you don't multiply the letters, the letter means any number
EX: if there was an equasion like f x 43 276 the f would be 6 because 6x 43 =276 or 5 x 65 = x
Step-by-step explanation:
Liana is correct bc henry included negative numbers
