Math, asked by mururamainthukarthi, 1 year ago

factorise x2 +14x +45





Answers

Answered by yash168966
0

Answer:

order to the trinomial

x

2

+

14

x

+

45

Begin by finding the factors for the first term

x

2

=

x

x

Place those factors as the first term in each parenthesis

(

x

_

)

(

x

_

)

Since both signs of the trinomial are positive you will be adding the factors and both signs will be positive.

(

x

+

_

)

(

x

+

_

)

Now determine the factors of the third term

45

=

1

45

,

3

15

,

5

9

We need the factors that will add up to the middle term

14

=

5

+

9

Place these factors as the second term in each of the parenthesis.

(

x

+

5

)

(

x

+

9

)

Answer link

Answered by RahulGautam11
3

Step-by-step explanation:

x2+9x+5x+45

x(x+9)+5(x+9)

=(x+9)((x+5)

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