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I NEED HELP PLS :( tamang answer sna pls

I NEED HELP PLS Tamang Answer Sna Pls class=

Sagot :

Answer:

  1. 8a³b + 6a²b² - 14ab³
  2. [tex] - 3yx {}^{3} {}^{y {}^{3} } + 9 {x}^{3 } {y}^{2} - 21 {x}^{2 } {y}^{3} [/tex]
  3. a⁴ - a²b² + b⁴
  4. [tex] \frac{6w +7 {w}^{2} - 12w + 15}{(w - 1)(2w + 5)} [/tex]

HOPE IT HELPS