whats the x-intercepts of the graph

Question

y = 42x2 + 28x

Answer 1

x-intercept: where y is equal to zero.
therefore:
0 = 42x^2 + 28x
0 = x(42x + 28)
x = 0 ; and
x = -28/42 = -2/3

x-int: (0,0) and (-2/3,0)

so there,, :)

Answer 2

X-intercept=-7&0
Y-intercept=0