Решите!!!!!!!!!!!!!!!!!!

Question

Решите!!!!!!!!!!!!!!!!!!

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Answer 1

№366
b^2+8b+16-10b^2-8b=-9b^2+16
№368
b^2+16b+64-10b^2-16b=-9b^2+64
№369
b^2-16b+64-14b^2+16b=-13b^2+64
№370
28c^2+14c-(49+14c+c^2)=27c^2-49