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What is the value of 3x^2+4x+12 when x=-2
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What is the value of 3x^2+4x+12 when x=-2

User Silvernightstar
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5.4k points

2 Answers

5 votes

Answer:

16

Explanation:

3 x -2^2 + 4 x -2 + 12

first do exponents -2 x -2 = 4

3 x 4 + 4 x -2 + 12

Next do multiplication or division from left to right

12 - 8 + 12

now do subtraction or addition from left to right

4 + 12

16

User Kyrylo Liubun
by
5.8k points
6 votes
56 is the answer to the equation
User Tuan Phan
by
5.3k points
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