If alpha and beta are the zeros of the polynomial y^2+3y-10 Find the value pf alpha+beta.
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Answered by
1
Answer:
not knowing sorry about this
Answered by
1
Step-by-step explanation:
y²+3y-10=0
y²+5y-2y-10=0
y(y+5)-2(y+5)=0
(y-2)(y+5)=0
y-2=0 y+5=0
y=2 y= -5
Alpha=2 , beta= -5
alpha + beta
2+(-5)
2-5
-3
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