a Factorise 4x 2x 20 in the form (2x + a)(2x b) where a, b 2 Z +. b Hence, find the
Chapter 25, Problem 52(choose chapter or problem)
a Factorise 4x 2x 20 in the form (2x + a)(2x b) where a, b 2 Z +. b Hence, find the exact solution of 2x(2x 1) = 20. c Suppose p = log5 2. i Write the solution to b in terms of p. ii Find the solution to 8x = 51x in terms of p only
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