We have, f (x) = x2 – x – 6 = x2 – 3x + 2x – 6 = x (x – 3) + 2 (x – 3) = (x – 3) (x + 2) f (x) = 0 (x – 3) (x + 2) = 0 (x – 3) = 0 or (x + 2) = 0 x = 3 or x = -2 &there4; The zeros of the given polynomial are 3 and -2.

Q. 14.2( 322 Votes )

Write the zeros o

Class 10th

Answer :

We have,

f (x) = x² – x – 6

= x² – 3x + 2x – 6

= x (x – 3) + 2 (x – 3)

= (x – 3) (x + 2)

f (x) = 0

(x – 3) (x + 2) = 0

(x – 3) = 0 or (x + 2) = 0

x = 3 or x = -2

∴ The zeros of the given polynomial are 3 and -2.

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