Question

If B=x-2, C = y + 2,A= -x + 2y ,then what is the value of A+B+C ?​

Answer 1

Explanation:

quadratic equation is in the form of-:

ax² +bx + c = 0

given equation -:

2y = 10 - y²

=> y² + 2y -10 = 0

=> a = 1

=> b = 2

=> c = -10