Solve Equations Solve the following equations. Remember that equations may have no solution or infinitely many solutions. 2x + 3x + 5(2x - 3) = 30 4x^2 + 7x - 2x(2x - 5) = 17 (x - 2)(x + 4) = 0 (x - 2)(x + 4) = 2x (x - 2)(x + 4) = - 8 x(x - 2)(x + 4) = 0 4x(x - 2)(x - 2) = 0 2x(y + 2) - 2y (x + 2) = 0 (x + 2)(y + 2) = 0 (x + 2)(y + 2) + (x - 3) (y + 2) = 0 (x - 2)(x + 4) - 2 (x - 4) = 0 (x + 2)^2 + (x - 2)^2 = 0 (x + 2)^2 - (x - 2)^2 = 0 x(x^2 + 2) = 0 x/3 - x/2 = 2/3 x/3 = 2x 2/x - 3/2x = 1 4x(x - 4)(x + 3.8)/x^4 - 4x^3 + 7x^2 - 5x + 102 = 0 (-12P/P)(3P/2 = P/2) = 480 2/Q = 0 (25/x)/x = 1 (5Q/P + 2)/(1/P + 2) = 20 10 - 1/10! = 0 4x + 8(x - 2) = x - 1.5 3x(x - 2) = 0 (x - 2)^2 = 4 100(1 - x) (1 + x) = 0 100(1 - x)(1 + x) = 100 x/5 + 2x/5 - 6/5 = 3 7/2x - x/9 = x x - 3/5 + 2/x - x/5 = 3/10 Refer to exchange rates given in Table 1.1 to answer questions 34 to 40. Give answers correct to two decimal places. An iPad is priced at 400 Canadian dollars. Calculate the price of the iPad in (a) Euros, (b) rupees and (c) ringgits. How many Euros are equivalent to (a) 800 US dollars, (b) 800 zlotys? A flight is priced at 240 South African rand. What is the equivalent price in Brazilian reals?