Question

If A=(3nSquare-4n+1), B=(5nsquare+3n-8) and C=4nsquare-7n+3), then find: (A+B) -C​

Answer 1

A=(3n²-4n+1)

B=(5n²+3n-8)

C=(4n²-7n+3)

•••(A+B)-C

=(3n²-4n+1+5n²+3n-8)-(4n²-7n+3)

=8n²-n-7-4n²+7n-3

=12n²+6n-10