2 x 10 5 )( 4 x 10 9 July 8, 2019 16 32 64 128 9 x 10 4 )+ 7 5 x 10 2 2 5 x 10^4 (x + 5) ^ 4 - 10 * (x + 5) ^ 2 + 9 = 0 (2x - 5)/4 = (- x + 10)/4