Answer:
x^2+14x+40
Explanation:
xx+x*10+4x+4*10= xx+10x+4x+4*10
Then simplify
I hope this helps!
x^2 + 14x + 40.
(x+4) (x+10)
= x(x + 10) + 4(x + 10) ( By the Distributive Law)
= x^2 + 10x + 4x + 40
= x^2 + 14x + 40.
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