Question

After distributing the terms (2x + 3) (4x – 5), you get a new expression of the form

ax+ bx + c
What is the value of a?
What is the value of b?
What is the value of c?

Answer 1

Value of a = 8

Value of b = 2

Value of c = - 10

Explanation:

`(2x + 3)(4x - 5)`

`= > 2x(4x - 5) + 3(4x - 5)`

`= > 8 {x}^(2) - 10x + 12x - 15`

`= > 8 {x}^(2) + 2x - 10`

As per the general form of a quadratic eqn.
`a {x}^(2) + bx + c`

Value of a = 8

Value of b = 2

Value of c = - 10