Question

if the product of two consecutive numbers is 72 then the smaller number is

Answer 1

Let x be the first number and x+1 be the second number. We get

using distributive property, we get

set equation = 0 to get

factoring, we get

x = -9
or
x = 8
so we have an answer is
(8,9)
or
(-9,-8) 

Answer 2

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