Question

The zeroes of the polynomial x2-3x-m(m+3) are .............
a) m, m+3
b) -m, m+3
c) m, -(m+3)
d) -m, -(m+3)

Plz answer with step by step explanation..​

Answer 1

Answer:

c)m, -(m+3)

Step-by-step explanation:

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Answer 2

Answer:

x² -3x - m(m + 3) = 0

=> x² -3x -m² -3m =0

=> x² - m² - 3x - 3m = 0

=> ( x + m)(x - m) -3(x + m) = 0

=> ( x + m)( x - m - 3) =0

=> x + m = 0 , or , x - m - 3 =0

=> x = - m or, x = m + 3

so the correct answer is option b.