Question

2. The zeroes of the polynomial x2 – 3x - mm + 3) are: (a) m,m + 3 (b) -m,m + 3 (c) m,- (m + 3) (d) -m, - (m + 3)
I want full solution​

Answer 1

Answer:

The zeroes of f(x) are –m and +3.

Step-by-step explanation:

Let f(x)=x  

2

−3x−m(m+3)  

Above polynomial can be written as,

f(x)=x  

2

−(m+3)x+mx−m(m+3)

=x(x−m−3)+3(x−m−3)

=(x−m−3)(x+m)  

To find the zeroes of f(x), put f(x)=0

(x−m−3)(x+m)=0

x−m−3=0 or x=−m  

Required zeros are (m+3),−m

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