crystalrmtz29
crystalrmtz29 crystalrmtz29
  • 25-09-2019
  • Mathematics
contestada

PLEASE HELP ME!! I DO NOT UNDERSTAND PLEASE SHOW WORK THANK YOU!!

PLEASE HELP ME I DO NOT UNDERSTAND PLEASE SHOW WORK THANK YOU class=

Respuesta :

marcthemathtutor
marcthemathtutor marcthemathtutor
  • 25-09-2019

Answer:

= 10x² + 9x³

Step-by-step explanation:

I'm assuming you mean question 19

3x² + 5x³ + 7x² + 4x³    (rearrange to group like terms)

=3x² + 7x² + 5x³ + 4x³  (factor out common powers)

= (3+7)x² + (5+4)x³

= 10x² + 9x³

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