Problem

Evaluate the expression 5x2−3x+7 for x=−2

Answer

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Answer

Add the numbers together: 33

Steps

Step 1 ：Substitute x=−2 into the expression: 5(−2)2−3(−2)+7

Step 2 ：Simplify exponent: 5(4)+6+7

Step 3 ：Perform multiplication and addition: 20+6+7

Step 4 ：Add the numbers together: 33

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