WOKDIEIWK9872 WOKDIEIWK9872
  • 02-09-2020
  • Mathematics
contestada

how to factorise the following: a, e, i, j and m

how to factorise the following a e i j and m class=

Respuesta :

tonb
tonb tonb
  • 02-09-2020

Answer:

a) 2x² - 32 = 2(x-4)(x+4)

e) 3x² - 75 y² = 3(x-5y)(x+5y)

i) (x+5)² - 16 = (x+1)(x+9)

j) (x-4)² - 9 = (x-7)(x-1)

m) (3x+5)² - x² = (2x+5)(4x+5)

Step-by-step explanation:

Basically first you expand the expression into terms and then you refactor again.

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