b ² +8b+16-10b ² - 8b = -9b ² +16
(b-8)²-2b(7b-8) =b ²-16b+64-14b ²+16b = -13b ²+64
(64-b³)=(4-b)( b ²+4b+16)
3(x² +8x+16)=3
3(b+4) ²
b ² +8b+16-10b ² - 8b = -9b ² +16
(b-8)²-2b(7b-8) =b ²-16b+64-14b ²+16b = -13b ²+64
(64-b³)=(4-b)( b ²+4b+16)
3(x² +8x+16)=3
3(b+4) ²