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Find the value of the following expressi...

Find the value of the following expressions, when `x=-1` (i) `2x-7` (ii) `-x+2` (iii) `x^2+2x+1` (iv) `2x^2-x-2`

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To find the value of the given expressions when \( x = -1 \), we will substitute \( -1 \) into each expression and simplify. ### Step-by-step Solution: **(i) Expression: \( 2x - 7 \)** 1. Substitute \( x = -1 \): \[ ...
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