Evaluate the given expressionnbsp1 evaluate -2x4nbsp-

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Reference no: EM13357173

Evaluate the given expression. 

1) Evaluate -2x4 - 3x2 + 5x - 9  for x = 2.

2) Perform the indicated operation: (t2 - 6t + 7) - (5t2 -3t - 2)

Reference no: EM13357173

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