theojw
theojw theojw
  • 03-02-2019
  • Mathematics
contestada

Expand and simplify (x-5)(x-4)

Respuesta :

jimrgrant1 jimrgrant1
  • 03-02-2019

Answer:

x² - 9x + 20

Step-by-step explanation:

Each term in the second factor is multiplied by each term in the first factor

(x - 5)(x - 4)

= x(x - 4) - 5(x - 4) ← distribute both parenthesis

= x² - 4x - 5x + 20 ← collect like terms

= x² - 9x + 20 ← in expanded form


Answer Link
Аноним Аноним
  • 03-02-2019

Answer:

x^2 - 9x + 20.

Step-by-step explanation:

(x - 5)(x - 4)

= x(x - 4) - 5(x - 4)

= x^2 - 4x - 5x + 20

= x^2 - 9x + 20.

Answer Link

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