Question

8(x-2y)2+2(x-y)-15 factorise

Answer 1

Answer:

heya mate :)

8(x-2y)2 + 2(x-y) - 15

$= 16(x - 2y) + 2x - 2y - 15 \\ = 16x - 32y + 2x - 2y - 15 \\ = 16x + 2x - 32y - 2y - 15 \\ = 18x - 34y - 15$

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