keysaniylaaa keysaniylaaa
  • 25-02-2020
  • Mathematics
contestada

4w^2-21w+20 factor the quadratic expression

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mickaylamascary54
mickaylamascary54 mickaylamascary54
  • 25-02-2020

Answer:

[tex](4w-5)(w-4)[/tex]

Step-by-step explanation:

[tex]4w^{2}-21w+20\\ 4w^{2}-5w-16w+20\\ w(4w-5)-16w+20\\w(4w-5)-4(4w-5)\\(4w-5)(w-4)[/tex]

Answer Link
albertaebisindou
albertaebisindou albertaebisindou
  • 25-02-2020

Answer:

(4w - 5) (w - 4)

Step-by-step explanation:

4w² - 21w + 20

We will look two numbers that when we add will give is -21 and when we multiply will give us 20 × 4= 80 and these numbers are -16 and -5.

4w² - 16w - 5w + 20

4w(w - 4) - 5(w - 4)

(4w - 5) (w - 4)

Answer Link

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