exam Maths Puzzle Numerical Ability

solve using the quadratic formula
this problem is taken from a homework sheet on quadratic equations, can you please show me the necessary steps involed in completing this problem.

x^2-3x-3=-5

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exam Other Question

Subtract, using the vertical method.

7x² +6x from 9x² -3
Jill and Jack play basketball. In the first game, Jill had a foul shot average of 0.60(she made 12 or 20 shots), and Jack had a foul shot average of 0.50(he made 5 out of 10 shots)