Mathematics
Senior High

(3)のやり方が分からないので教えてください!

54x+y+36xy (3) (x+3)(x²-3x+9)=(x+3)(x2-x-3+32) =x°+3°=x+27 (4) (2a-1)(4a² +20 +11-120 122.1 ± 12}

Answers

Were you able to resolve your confusion?