Which expressions would complete this equation so that it has one solution? 4(2x – 3) – 4x . choose exactly two answers that are correct. a. 4x – 12 b. 3x – 4 c. 3(2x – 6) d. 4(x – 5).

(c) the diagram shows the first three shapes of a matchsticks arrangement.first shape = 3second shape = 5third shape = 7given m represents the number of matchstick used to arrange the n'th shape.(i) write a formula to represent the relation between m and n. express m as the subjectof the formula.(ii) 19 matchsticks are used to make the p'th shape. find the value of p.