what should be the value of the a if the value of 3x square +5x +a is -2 for x=-2
Answers
Answered by
4
Answer: a = -4
Step-by-step explanation:
3x² + 5x + a = -2 ( x = -2 )
3 (-2)² + 5 (-2) + a = -2
3 × 4 - 10 + a = -2
12 - 10 + a = -2
2 + a = -2
a = -2 -2
a = -4
Similar questions