Question

5. Factorise x^2 - 16. (x^2 means x
square)
*
C
(x+5)(x-5)
(x-4) (x+4)
(x-2)(x+2)​

Answer 1

Answer:

Hiiii....

The ans. is (x+4) (x-4)

Answer 2

Answer:

x² -16

i.e, x²+0x-16

x²+4x-4x-16

x(x+4)-4(x+4)

(x+4) (x-4)

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