Expand the Following: (X - 5) (X - 4) - Mathematics

Expand the following:
(x - 5) (x - 4)

योग

(x - 5) (x - 4)
= x² -5x - 4x + 20
= x² - 9x + 20
(Using identify : (x - a) (x - b)
= x² - (a + b) x + ab).

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अध्याय 4: Expansions - Exercise 4.1

अध्याय 4 Expansions
Exercise 4.1 | Q 1.3

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