1) 3+5x3+5x3+5x^2-9 = 9 + 30x + 25x^2 - 9 = 25x^2 + 30x 2) 25 - 4m−54m - 54m−5 = 25 - 4m + 5 = -4m + 30 3) 9p^24+3p4+3p4+3p^2 = 9p^216+24p+9p216 + 24p + 9p^216+24p+9p2 = 144p^2 + 216p^3 + 81p^4 4) −7k+1-7k + 1−7k+1^2 + 14k = 49k^2 - 14k + 1 + 14k = 49k^2 + 1
1) 3+5x3+5x3+5x^2-9 = 9 + 30x + 25x^2 - 9 = 25x^2 + 30x
2) 25 - 4m−54m - 54m−5 = 25 - 4m + 5 = -4m + 30
3) 9p^24+3p4+3p4+3p^2 = 9p^216+24p+9p216 + 24p + 9p^216+24p+9p2 = 144p^2 + 216p^3 + 81p^4
4) −7k+1-7k + 1−7k+1^2 + 14k = 49k^2 - 14k + 1 + 14k = 49k^2 + 1