Question

p²
- q + r q2-r+P and r2- P+q​

Answer 1

Step-by-step explanation:

(2

2

+(−3)

2

+r

2

)(2×−3+(−3)r)

=(4+9+r

2

)(−6−3r)

=−(13+r

2

)(3r+6)

=−(39r+78+3r

3

+6r

2

)

=−(3r

3

+6r

2

+39r+78)