Question

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Answer 1

x^2 - 5x - 4x +20
x ( x - 5 ) - 4 ( x - 5 )
( x - 5 ) ( x - 4 )

x-5=0
x=5
x-4=0
x=4

pls mark as brainliest answer pls

Answer 2

Here the sum should be -9 and the product should be 20.
∴ the numbers are -5 and -4
x²-9x+20
=x²-4x-5x+20                 (-4x-5x=-9x)
=x(x-4)-5(x-4)
=(x-4)(x-5)
zeroes=  5 and 4