1.Check that the following expressions are equivalent using the values x=-2,-1,0,1,2 12x^2-27/3 and -(-2x+3)(2x+3) 2.Prove the equivalence of the equations using algebraic manipulation
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I assume you did part 1 ... here is part 2. btw, next time use parentheses like so ... (12x^2 - 27)/3 what you posted is ... 12x^2 - 27/3 = 12x^2 - 9
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