anfallmohammedaskar anfallmohammedaskar
  • 23-07-2020
  • Mathematics
contestada

can u help me with these plzzz

can u help me with these plzzz class=

Respuesta :

bekkarmahdi702
bekkarmahdi702 bekkarmahdi702
  • 23-07-2020

Step-by-step explanation:

  • 7

Let's factorize x² - [tex]\frac{y ^{2} }{100}[/tex]

  • x²-[tex]\frac{y^{2} }{100}[/tex]
  • x² -([tex]\frac{y^{2} }{10^{2} }[/tex])
  • (x+[tex]\frac{y}{10}[/tex])(x-[tex]\frac{y}{10}[/tex])

Let's factorize 9x²+6xy+y²

  • 9x²+6xy+y²
  • (3x)²+2*3x*y+y²
  • (3x+y)²

  • 8

evaluate 99³

  • 99³
  • (100-1)²(100-1)
  • (100²-2*100+1) *99
  • (10000-201)*99
  • 9799*99
  • 970101

evaluate 95*96

  • 95*96
  • 95*(95+1)
  • 95²+95
  • 9120

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