Solve the following quadratic equation. A. x = 19 and x = 17 B. x = -19 and x = -17 C. x = -19 and x = 17 D. x = 19 and x = -17
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Remark
I'm going to interpret this equation as
D = ut + kt² The only difference is the 2.
Solution
Subtract kt² from both sides.
D - kt² = ut Now divide by u on both sides.
The t's cancel out. on the right. You are left with u on the right.