Factorise 2x^2+3root5x+5
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Step-by-step explanation:
x
2
−3
5
−20
We can further write it as
x
2
−3
5
−20=x
2
−4
5
x+
5
x−20
By taking out the common terms
x
2
−3
5
−20=x(x−4
5
)+
5
(x−4
5
)
So we get,
x
2
−3
5
−20=(x+
5
)(x−4
5
)
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