en86213 en86213
  • 15-11-2021
  • Mathematics
contestada

How to subtract? how can we minus 7 from 2 how can we maintain sign​

How to subtract how can we minus 7 from 2 how can we maintain sign class=

Respuesta :

superfarha100
superfarha100 superfarha100
  • 15-11-2021

Answer:

a² - b² = (a+b)(a-b)

Step-by-step explanation:

= 2x² - 7x²

=(2x + 7x)(2x - 7x)

Answer Link
xiaojingp999
xiaojingp999 xiaojingp999
  • 15-11-2021

Answer:

-5x²

Step-by-step explanation:

combine like terms in 2x²-7x²

Answer Link

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