zahabaha
Determine the factors of x2 − 9x + 20.



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ashna
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x^29x +20=0
x^2 5x 4x +20=0
x(x5) 4(x5)=0
(x4) (x5)=0
So Factors are
(x4)(x5)

abayomi12
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x^29x=20
x^29x+20=0
x^25x4x+20=0
x(x5)4(x5)=0
(x4)(x5)=0
=> Factors are
(x4)(x5)

abayomi12
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how come we get the same answer

abayomi12
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hmmmmm that amazing

ashna
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because we derived the answer for the same question :P

ashna
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@zahabaha so x=4 and x=5