Asked by louisse antoli

The product of one more than a number and 4 less than the number is 36. Find the number
Answered by Reiny
Let the number be x

(x+1)(x-4) = 36
x^2 - 3x - 4 = 36
x^2 - 3x - 40 = 0
(x-8)(x+5) = 0
x = 8 or x = -5

check: if the number is 8
then is 9 times 4 = 36 ? yes
If the number id -5,
is -4 times -9 = 36 ?, yes

the number could be 8
or it could be -5
Answered by MathMate
Solve
(N+1)(N-4)=36
Expand and simplify
N^2-3N-40=0
(N-8)(N+5)=0
Solve N-8=0 or N+5=0 to give N=8 or N=-5.
Answered by Anonymous
4 less than a number is 36
Answered by khiana
my response
Answered by princess
hay naku
Answered by Val
what is the answer?
Answered by Victoria
How did you get 3x?
Answered by Anonymous
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