book Maths Puzzle Numerical Ability

Write the letter of the equation of the line with x-intercept (–4, 0) and undefined slope.

A.x = 0

B.y = -4

C. x = -4

D. y = -4x

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book Other Question

I need help in answering this problem:
(x-5)(2x^2-7x-2)
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X to the secod power + -56