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  • The zeroes of the polynomial  are Option: 1 m, m

The zeroes of the polynomial x^{2}-3x -m(m+3) are
Option: 1 m, m+3
Option: 2 -m , m+3
Option: 3 m, -(m+3)
Option: 4 -m , -(m+3) 

Answers (1)

x^{2}-3 x-m(m+3) =0 \\ x^{2}-(m+3)x+mx-m(m+3) =0 \\ x(x-(m+3))+m(x-(m+3)) = 0 \\ (x-(m+3))(x+m)=0 \\ x = -m, \ \ \ x = (m+3)

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Safeer PP

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