5 (n+2) + 8n+1

how do I solve this variable

Find the vertex V and the x-intercepts x^1 and x^2 of the quadratic function f (x) = 2x^2 - 8x. A. V (2, - 8); x^1 = 0, x^2 = 4 B. V (2, - 4); x^1 = 0, x^2 = 4 C. V (0, 0); x^1 = - 2, x^2 = 4 D. V (0, 0); x^1 = 2, x^2 = - 8

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