(2x2 + 4x + 1) + (3x2 + 6x + 5)

Mr. walker gave his class the function f(x) = (x + 3)(x + 5). four students made a claim about the function. each student’s claim is below. jeremiah: the y-intercept is at (15, 0). lindsay: the x-intercepts are at (–3, 0) and (5, 0). stephen: the vertex is at (–4, –1). alexis: the midpoint between the x-intercepts is at (4, 0). which student’s claim about the function is correct?

Iwant to know what 3g+5h+4g-2h is my teacher is too selfish to tell us

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much