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Question

The zeroes of the quadratic polynomial x2 + x – 6 are __________.

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Solution

Let f(x) = x2 + x – 6

f(x)=x2+x-6 =x2+3x-2x-6 =xx+3-2x+3 =x-2x+3To find the zeroes, we put f(x)=0x-2x+3x-2=0 or x+3=0x=2,-3

Hence, the zeroes of the quadratic polynomial x2 + x – 6 are 2 and –3.

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