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4x^2 - 12x - 3

what would the answer be if x = 7

User Stevemac
by
4.8k points

2 Answers

4 votes

Answer: Your correct and final answer should be 109.

Explanation:

All you need to do solve this problem is substitute for X using 7. {After you you plug just use PEMDAS and solve from left to right or use a calculator}

4(7)^2 -12(7) -3

4×49 -84 -3

112-3 = 109

User Timothyzhang
by
4.8k points
5 votes

Answer:

4(7)^2-12(7)-3

4×49-84-3

112-3

109

User TheGreenCabbage
by
5.0k points