Question

ײ-9x+20 factories by spliting the middle term​

Answer 1

x^2-9x+20

x^2-5x-4x+20

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

(x-5)(x-4)

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Answer 2

Answer:

x² -9x + 20

x² - 5x -4x + 20

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

( x - 4 ) ( x - 5 ) = 0

x = 4 and x = 5.