thefamousciniyah thefamousciniyah
  • 14-06-2020
  • Mathematics
contestada

factor completely: 80x2 – 125

Respuesta :

osikbro
osikbro osikbro
  • 14-06-2020

Answer:

[tex]5(4x-5)(4x+5)[/tex]

Step-by-step explanation:

[tex]80x^2-125= \\\\5(16x^2-25)= \\\\5(4x-5)(4x+5)[/tex]

Hope this helps!

Answer Link
wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 14-06-2020

Answer:

5( 4x-5)(4x+5)

Step-by-step explanation:

80x^2 – 125

Factor out a 5

5( 16 x^2 - 25)

Inside the parentheses is the difference of squares

5 ( (4x)^2 - 5^2)

We know the difference of squares is  (a^2 - b^2) = (a-b) (a+b)

5( 4x-5)(4x+5)

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