Respuesta :

yoloswaggs51
we have to first distribute the 9 inside of the parentheses
so 9×2h=18h
So the equation in 18h+9h

if we look at the first equations, h(9+18) and distribute the h then the equation becomes
9h+18h

so h(9+18) is equivalent to
9h+9(2h)

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