Question

The factorisation of 84-2r-2r2

Answer 1

Answer:

(14+2r)(6-r)

Step-by-step explanation:

84 - 2r -2r²

84-(14r-12r)-2r²

84-14r+12r-2r²

14(6-r)+2r(6-r)

(14+2r)(6-r)

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