I need to rearrange this so I can put it into a quadratic formula. I need to rearrange this equation to the quadratic standard form equation to get values for a, b and c then use the quadratic formula to find 2 possible values for x. Can anyone help please?
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Completely stuck on a question on a maths assignment for hnc engineering Watch
- Thread Starter
- 13-11-2017 22:00
- 14-11-2017 00:19
Multiply out the bracket.
70=1.5x(20-x)/2 =(30x-1.5x^2)/2 = 15x - 0.75x^2
Easy from there.