Find the zeroes of polynomial p (x)=5x2^+10x
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Answer:
Step-by-step explanation:
5x^2 +10x
let the roots or zeroes be α,β
thus α+β=-2 (since, α+β=-b/a)
and α-β=2(since,α-β=|√D/a|)
solving simultaneous equations;
thus, α=0 and β= -2
or
factorise the following
5x(x+2)=0
that implies ,
5x=0 or x+2 =0
i.e, x=0,x=-2 are its roots
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