Question

factorise
+6x sq.+5x-1​

Answer 1

Answer:

Step-by-step explanation:

Explanation:

6

x

2

+

5

x

+

1

We can Split the Middle Term of this expression to factorise it.

In this technique, if we have to factorise an expression like  

a

x

2

+

b

x

+

c

, we need to think of 2 numbers such that:

N

1

⋅

N

2

=

a

⋅

c

=

6

⋅

1

=

6

AND

N

1

+

N

2

=

b

=

5

After trying out a few numbers we get  

N

1

=

2

and  

N

2

=

3

2

⋅

3

=

6

and  

2

+

3

=

5

6

x

2

+

5

x

+

1

=

6

x

2

+

2

x

+

3

x

+

1

=

2

x

(

3

x

+

1

)

+

1

(

3

x

+

1

)

(

2

x

+

1

)

(

3

x

+

1

)

is the factorised form of the expression

Answer 2

Answer:

x=1/6or x=-1

Step-by-step explanation:

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