1. ( x - 6 ) ( 3x + 4 ) = 0 2. 2x² + 5x - 42 = 0
3. 5x² + 13x = -6

um, can you make sure you show the steps?

Ascientist has 50 grams of a radioactive element. the amount of radioactive element remaining after t days can be determined using the equation (1) after two days the scientist receives a second shipment of 50 grams of the same element. the equation used to represent the amount of shipment 2 remaining after t days is 10) - 50 which of the following is an equivalent form of the expression for the amount remaining in shipment 2? what’s the answer?