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Factorize each of the quadratic polynomi...

Factorize each of the quadratic polynomials:
`x^2-21 x+108`

Text Solution

Verified by Experts

`x^2-21 x+108`
By using ,mid-term splitting, we get:
`=x^2-12x-9x+108`
`=x(x-12)-9(x-12)`
`=(x-12)(x-9)`
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