Question

6x^{2}+5x-56 factored

Answer 1

Answer:

hope it helps

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Answer 2

Answer:

Problems like this take practice.

Undoing the FOIL method I try to look for factors where the product of the last terms is 56.

(

?

+

8

)

(

?

+

7

)

=

0

The middle term is

−

5

x

so I take a guess that the first terms are

3

x

and

2

x

but I have to account for the negative signs so I have

(

3

x

+

8

)

(

2

x

−

7

)

=

0

3

x

+

8

=

0

or

2

x

−

7

=

0

3

x

=

−

8

x

=

−

8

3

2

x

=

7

x

=

7

2