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3 years ago

Factorise the following by taking out a common binomial factor. 7(x - 3) - (x + 3)(x - 3)

Mathematics

2 answers:

g100num [7]3 years ago

7 0

Step-by-step explanation:

7(x - 3) - (x + 3)(x - 3)

(x - 3)(7 - (x + 3))

(x - 3)(7 - x - 3)

(x - 3)(4 - x)

zvonat [6]3 years ago

7 0

Answer:

(x - 3)(4 - x).

Step-by-step explanation:

The common binomial factor is (x - 3) so we have:

7(x - 3) - (x + 3)(x - 3)

= (x - 3)( 7 - (x + 3))

= (x - 3)(4 - x)

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