Question

Factorise the expression and divide

2(x2+3x-28) ÷ (2x-8)​

Answer 1

Answer:

x

2

+

3

x

−

28÷

x² -2x -8

Step-by-step explanation:

Consider the form

x

2

+

b

x

+

c

. Find a pair of integers whose product is

c

and whose sum is

b

. In this case, whose product is

−

28

and whose sum is

3

.

−

4

,

7

Write the factored form using these integers.

(

x

−

4

)

(

x

+

7

)

x

2

−

2

x

−

8

Factor

x

2

−

2

x

−

8

using the AC method.