Answer: 6x−4
Explanation: We need to work out the main steps, so here i organised them for you.
Step 1: For this part of the question we have a line with equation that is:
 Y = 8x+5 
Step 2: For this part we need to times the answer with: 
X =2
Step 3: So the tangent can pass through the coordinate must be be
 M = 8 | There fore we have in a total answer as 6x-4
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