Math, asked by devilgonarule, 1 year ago

1) 8(2a-b)^2 -4(2a-b)-13
2) 7(x-2y)^2 -25 (x-2y)+12
3) 2(x+y)^2 -9 (x+y)-5

Answers

Answered by priyanshi9972

1

1) 32a²+8b²-32ab-4a+2b-13
2)7x²+28y²-28xy-25x+50y+12
3)2x²+2y²+4xy-9x-9y-5

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