exam Maths Puzzle Numerical Ability

find all solutions:
|4x+1|=37
thanks a bunch

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exam Other Question

Can anyone answer this for me?

part a ---- x2 - 6x + 8 = 0
Graph the function using the equation in part a. Explain why it is not necessary to plot points to graph when usin I am hoping one of the tutors has the text (Basic Technical Mathematics with Calculus 8th Edition)to help me.
It is #50 page 243. Diagram is necessary and I don't know how to show