Question

(a) (x + 4) (x + 5)​

Answer 1

Answer:

here.....

Step-by-step explanation:

(x+4)(x+5)

=x^2+5x+4x+20

=x^2+9x+20

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Answer 2

Answer:

x^2+9x+20

Step-by-step explanation:

(x+4)(X+5)

= (x×x)+(4×x)+(5×x)+(5×4)

= x^2+4x+5x+20

= x^2+9x+30

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