Question

from the sum of
$3 x{}^{2} - 5x + 2 \: and - 5x {}^{2} - 8x + 6 \: subtract \: 4x {}^{2} - 9x + 7$
​

Answer 1

Answer:

-2x²-7x+8

Step-by-step explanation:

       3x²-5x+2

(+)    -5x²-8x+6

       -2x²-13x+8

So, now we will subtract with 4x:-

      -2x²-13x+8

(-)           +4x    

       -2x²-7x+8  

Answer 2

Answer:

I think it's 16

Step-by-step explanation:

Please mark me as brainliest