Question

Give zeroes of quadradic polynomial x² + 2x– 15.

(A) 3 and 5

(B) –3 and –5

(C) 3 and –5

(D) –3 and 5​

Answer 1

Answer:

option D

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Answer 2

Step-by-step explanation:

x²+2x-15

x²+3x-5x-15

x(x+3)-5(x+3)

(x-5)(x+3)

x-5= , x+3=

x=5,-3

is the right answer

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