Math, asked by sanjuktas816, 7 months ago

(x + 5) (x+4) find the product by using a suitable identity

Answers

Answered by tr9717490285

2

Step-by-step explanation:

(x+5) (x+4)

=x(x+4)+5(x+4)

=x2+4x+5x+20

=x2+9x+20.

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