find the quadratic polynomial of -3 and -5
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the given zeros are ...
-3 and -5.
therefore,
sum of zeros are _
(- 3) + (-5) = - 8 = -b/a. ...[1]
and
product of zeros are _
(-3)(-5) = 15 = c/a ...[2]
by equation 1 and 2.
a = 1,
b = 8,
c = 15
hence,
quadratic polynomial formed ,
ax^2 + bx + c = 0
x^2 + 8x + 15 = 0
-3 and -5.
therefore,
sum of zeros are _
(- 3) + (-5) = - 8 = -b/a. ...[1]
and
product of zeros are _
(-3)(-5) = 15 = c/a ...[2]
by equation 1 and 2.
a = 1,
b = 8,
c = 15
hence,
quadratic polynomial formed ,
ax^2 + bx + c = 0
x^2 + 8x + 15 = 0
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