Question

add 6a-a²
, 3a²+ 8 a and -15a+a²​

Answer 1

Answer:

First Add,

(3a²-5a+5)+ (a³-5a²+8)

= 3a²-5a+5+a³-5a²+8

= a³+3a²-5a²+5+8

= a³-2a²+13

And now,

Subtract a³-2a²+13 from 7a²-4a²-9

= 7a²-4a²-9 - (a³-2a²+13)

= 7a²-4a²-9-a³+2a²-13

= - a³+7a²-4a²+2a²-9-13

= - a³+5a²-22 ans.✅✅

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