exam Maths Puzzle Numerical Ability

5. Solve using the quadratic formula:
x^2 � 3x = 4x � 1

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exam Other Question

Square root of 50x^2 find the area of a triangle with sides of length 9 and 24 and included angle 12degrees. Round to the nearest tenth.
I have 22.5, but I believe I did this wrong since I seen an example using trig functions, can someone please help.