2 years ago

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

Mathematics

2 answers:

zepelin [54]2 years ago

6 0

Answer:

Step-by-step 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

irina [24]2 years ago

3 0

56 is the answer to the equation

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