Question

Expand (x + 13)(x + 20) by using suitable identity.​

Answer 1

Answer:

x^2+33x+260

Step-by-step explanation:

Using Identity:

(x+a)(x+b)=x^2+(a+b)x+ab

(x+13)(x+20)=x^2+(13+20)x+(13×20)

=x^2+(33)x+260

=x^2+33x+260

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Answer 2

Step-by-step explanation:

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