Solving (x - 4)(x + 5) / 1 = 36 for x

[aacr7789]

Could anyone help show me step by step how to solve for x with this example:

(x-4)(x+5)=36
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1

 

[Denis]

Re: help with this problem!!! Solving for x

(x-4)(x+5) = 36
x^2 + 5x - 4x - 20 = 36
...carry on