2.
Simplify. (1) (x - 2y + 3)2 + (x + 2y -3)?
(2)(3k -4r -2m)2 - (3k + 4r - 2m)
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Step-by-step explanation:
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Step-by-step explanation:
(1). (x - 2y + 3)2 + (x + 2y - 3)
2x - 4y + 6 + x + 2y - 3 {multiplying 2 with x - 2y + 3}
3x - 2y + 3
(2). (3k - 4r -2m) 2 - (3k + 4r - 2m)
6k - 8r - 4m - 3k - 4r + 2m
3k - 12r - 2m
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