The answer is 16 because (-2*-2*-2*-2= 16)
3x²-5x-4+xy-(2xy+2x²) Simplified is x²-5x-4-xy
It is not specified how much she was saving before...
If 0 than it is D 70/543
Look at the square root like "x", then
Answer; there is literally no solution. it has to be a negative number.
