Matching Pairs Equivalent ExpressionsOnline version Match the expression to it's equal! by Justine Dixon 1 4^5 2 13 - 12 * 2 + 3^2 3 [(2+4)^3 - 3] * 2 4 100 - 5 * 3^2 5 [(2+4^3) - 3] * 2 6 x^3 7 13 - 12 + 18 * 2 / 3 8 12* 3 / 4 9 15(3x + 1) 10 15(3x - 1) 11 34 / 2 * 4^2 + 3 12 7(x + 3) 13 10x 14 4 * 5 15 7(x - 3) 15(3x) - 15(1) 7x + 21 x * x * x 5x + 5x 45x + 1 7x - 21 55 17 * 64 + 3 426 4 * 4 * 4 * 4 * 4 5 * 4 13 13 - 24 + 9 36/4 126