Question

What is the value of the coefficient "b" when the quadratic equation y = (3x − 5)(2x + 3) is written in standard form?

19

6

−15

−1

Answer 1

Expand the brackets then the "b" will be the coefficient of "x"
ax^2+bx+c

Answer 2

i tried that but all it gives me is -9

Answer 3

(3x − 5)(2x + 3)
6x^2+9x-10x-15
So,
9-10=?

Answer 4

-1 i so didnt get that

Answer 5

thanks for the help though

Answer 6

Just use PEMDAS to expand