Question

If one zero of the polynomial x^2 + 3x + λ is -2 then the value of λ is ______.

Answer 1

ANSWER

x^2 + 3x + y = 0

let's put the value of x = -2

(-2)^2 + 3 × (-2) + y = 0

4 - 6 + y= 0

-2 + y = 0

y = 0

I hope it's helpful