Question

If -3 is a solution of 2x2 + 5x + k = 0, then k = -------------​

Answer 1

Answer:

Put the the value of -3 in x and then equate to 0 and when you will solve it you will get the answer

Hope it helps!!!!

Answer 2

Step-by-step explanation:

Substituting the value of x in the equation we get

$2(-3)^{2} +5(-3) + k =0$

18 - 15 + k = 0

3 + k = 0

k = -3

SO YOUR FINAL ANSWER IS -3

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