Question

- 2 y²-2y =P
- y2 + y =q​

Answer 1

Answer:

2y*2+2y=p

y*2-y=q

multiply and divide by 2 in 1

y*2+y=p/2

multiply with - to 1

y*2-y=-p/2

since y*2-y=q-p/2