riyapanday445 riyapanday445 02-01-2021 Mathematics contestada Option on 1 blank (2x-1)(x+9) 3x(x-9) X+7 (2x+1)(x-9) 2 blank 3x(2x+1) X-7 3x(x+7) X+7 3 blank -7 9 0 -0.5 0.5