Book Maths Puzzle Algebra

Solve by factoring x^2=13x+48 and x^2-x-6=0

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Book Other Question

Use the quodrofic formula to solve

2x62+5x=0

3x^2=6x-8 I am not sure how to find either of the unknowns in this equation. Either that or I am missing something that is known. A bank robber robs a bank and speeds away on the freeway at 80 miles/hour. Thirty minutes later police officers take off in pursuit at 90 miles/hour. How long will the police have to drive to catch up and how far from the bank will they catch the robbers?