Question

When the quadratic equation y = (x − 3)(2x + 7) is written in standard form, what is the value of the coefficient "b"?

Answer 1

y= (x-3)(2x+7)
y=2x^2+x-21
y=ax^2+bx+c
So b is????

Answer 2

^what @MagicallyFarting said?

Answer 3

2x^2+x-21
ax^2+bx+c

b=1