What should be added to 7p2 – 7q + 2r2 to get 15p2 + 4q – 4r2
Answers
Answered by
2
Answer:
8p² +13q -6r² should be added to get 15p² +4q -4r²
Answered by
0
Answer:
8p²-6r²+7p+4q
Step-by-step explanation:
15p²+4q-4r²-(7p²-7p+2r²)
=15p²+4q-4r²-7p²+7p-2r²
=15p²-7p²-4r²-2r²+7p+4q
=8p²-6r²+7p+4q
Similar questions