Question

find the zeros of following quadratic polynomial 5y^2+10y

Answer 1

the zeros of the quadratic polynomial are -2 and 0
let
$5y {}^{2} + 10y = 0 \\ 5y(y + 2) = 0 \\ y + 2 = 0 \\ y = - 2$

Answer 2

Answer:

$0,\: -2 \: are \: zeroes \:of\:\\ given \: quadratic \: polynomial \\\: 5y^{2}+10y$

Step-by-step explanation:

$Let \: the\: quadratic \: polynomial \\\: p(y)=5y^{2}+10y$

/* Find the zeroes of p(y), is same as solving the equation

p(y)=0

$As \:5y^{2}+10y=0$

$\implies 5y(y+2)=0$

$\implies 5y=0 \: Or \: y+2=0$

$\implies y = 0 \: Or \: y = -2$

Therefore,

$0,\: -2 \: are \: zeroes \:of\:\\ given \: quadratic \: polynomial\\ \: 5y^{2}+10y$

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