Factorise the quadratic polynomial x^2-3x+7
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x²-3x+7
Sorry but it cannot be factorised because as you can see 7 has two factors 1,7 so the middle term can't be splited
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Answer: Cannot be factorised.
Step-by-step explanation:
x^2-3x+7
Discriminant = b^2 - 4ac
= (-3)^2 - 4*1*7
= 9 - 28
= - 19 < 0.
The zeroes of this polynomial are non real ( imaginary).
This polynomial cannot be factorised.
P.S.: Consider checking your question.
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