(5x²-4x7)+(3x²+7x-1)
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plzz tell which sign is there between 4x and 7 in 1st bracket.....i will surely solve it if u crct ur question
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5x²-4x+7+3x²+7x-1
8x²+3x-6
OR
IF X MEANS*(multiply )in first bracket
5X²-4X7+3X²+7X-1
5X²-28+3X²+7X-1
8X²+7X-29
8x²+3x-6
OR
IF X MEANS*(multiply )in first bracket
5X²-4X7+3X²+7X-1
5X²-28+3X²+7X-1
8X²+7X-29
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