Question

If(3y-1)(2y+k)=ay2+by-5 for all values of y,what is the value of a+b?

Answer 1

Answer:

Step-by-step explanation:

6y^2 + (3k - 2)y - k = ay^2 + by -5 for all y. Then,

a = 6

b = 3k - 2 ----> b= 3*5 - 2 = 13

k = 5

then,

a + b = 6 + 13 = 19