Question

factorise: 54x+10y-12xy-45​

Answer 1

Answer:

(6x-5)(9-2y)

Step-by-step explanation:

54x + 10y - 12xy -45

= 54x - 45 + 10y - 12xy                <— rearrange terms for easier factorisation

= 9 (6x -5) + 2y (5 - 6x)               <— take out common factors

= 9 (6x-5) - 2y (6x-5)                  <— take out the “-“ and change the sign in front

= (6x - 5)(9 - 2y)

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