please help me with this question by explaining step by step
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2
Answer:
(1) 7
Step-by-step explanation:
x+3 = 0
x = -3
substitute x in the equation
3x² + kx - 6 = 0
3(-3)² -3k - 6 = 0
3(9) - 3k -6 = 0
27 - 3k - 6 = 0
21 - 3k=0
3k = 21
k = 7
Answered by
2
Step-by-step explanation:
7 MARK AS BRAIENLIST PLEASE I WILL FOLLOW
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