Question

1. factorise the following using the identity: (x + a)(x + b) = x + (a+b)x+ ab
term.
(a) x + 11x + 24
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Answer 1

Answer:

x+11x+24

Comparing with x+(a+b) x+ab

ab=24

a+b=11

a=3 , b=8

x+3x+8x+24

x(1+3) +8(1+3)

(1+3) (x+8)

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