Find the sum of: 3x² + 4x, 5x²-3x and 2x - 4x²
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You have to first put like terms together and then start adding or subtracting from left to right
Use rule of bod as
Use rule of bod as
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3x²+4x
5x²-3x
-4x²+2x
_______
4x²-3x.
Hence the sum of 3x² + 4x, 5x²-3x and 2x - 4x² is 4x²-3x.
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