quynhanh141208 quynhanh141208
  • 07-09-2021
  • Mathematics
contestada

.........................(3x+1)²

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kaisersriprad
kaisersriprad kaisersriprad
  • 07-09-2021

Answer:

LET'S SOLVE THIS STEP BY STEP

(3x+1)²

=(3x+1)(3x+1)

=(3x)(3x)+(3x)(1)+(1)(3x)+(1)(1)

=9x²+3x+3x+1

ANSWER =9x²+6x+1

HOPE IT HELPS

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