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Answer 1

Answer:

Here's the sum.

( Real sorry that it's solved in pencil, still hope the working is clear. )

Answer 2

Answer:

hello studylover7534,

my answer for ques. subtract 5a²+2a-1 from -9a²+3a+2 may be correct but let me clear the calculation part for you.

see :

we know that (+ -) = -

but in this case we do subtraction but we will put the sign of the no. which is greater ,like 1) -5+6= 1 and 2) -8+3= -5 .

hope you understand ✌

Step-by-step explanation:

and it helps you.