Question

answer and i will mark brainliest​

Answer 1

here's your answer in the attachment

and the last letter of 1st line is a

Answer 2

It is instructed to subtract (2a - 3b + 4c) from the sum of (a + 3b - 4c), (4a - b+9c) and (-2b + 3c - a).

So, First we will do the sum of the three given polynomials,

Sum = (a + 3b-4c) + (4a-b 9c) + (-2b + 3c-a)

= (a + 4a - a) + (3b - b- 2b) + (-4c+ 9c + 3c)

= 4a + 8c

Now, we can perform the subtraction,

therefore, Required difference

= (4a +8C) - (2a - 3b + 4c)

= 4a + 8c 2a + 3b-4c

= 2a + 3b + 4c

HOPEITZ...

#USEFUL

#DETAILED

#HEPLFUL

#WELLEXPLAINED

#CLEAR

Thank You...

:)