Question

subtact the sun of (12a +7a2 - 1 ) and (4a + 15 -5a2) from 16 is​

Answer 1

Answer:

12a + 7a²-1 + (4a+15-5a²)

= 16a +2a²+14

Now, 16 - (16a +2a²+14)

= 12 -16a - 2a²

Step-by-step explanation:

Step 1:

add up the two algebraic expressions (12a + 7a² -1) and (4a + 15 - 5a²)

Step 2:

subtract the the sum of the two expressions which is 16a+2a²+14 from 16.