gennieee gennieee 12-04-2020 Mathematics contestada Select the factored form of the expression. If it cannot be factored, select "already in factored form." 49x² + 64y? Click on the correct answer. already in factored form (7x + 8y)(7x + 8y) (7x + 8y)(7x -8y) 49(x² + y2)