book Maths Puzzle Numerical Ability

All that I have to do is factor this but I think that it is prime. Can someone please tell me if I am right? Thank you.
15x^2+16x+4

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book Other Question

it is possible for two lines to intersect in such a way that three of the angles formed have measures of 20, 70, 20. true or false Find the area of the trapezoid at the right by combining the area of the triangle and the area of the rectangle. Now I don't really know how to explain how this figure looks but I