Question

Subtract the sum of 8a - 6a2 + 9 and -10a - 8 + 8a2 from - 19a​

Answer 1

Answer:

-17a-2a2 -1

Step-by-step explanation:

8a-6a2+9

-10a+8a2-8

___________

-2a+2a2+1 ; which can also be written as +2a2-2a+1

-19a

-2a+2a2+1 ( When we subtract it the signs are reversed)

+ - -

__________

-17a-2a2-1

answer can also be written as -2a2-17a-1 ( because answer in this form is preferred)