Question

Simplify completely quantity of x squared plus 7 x minus 30 all over quantity of x plus 10.

Answer 1

so there is 

x^2 +7x -30     (x +10)(x -3)
---------------- = ------------------- = (x-3)
   x +10               x +10

hope this will help you 

Answer 2

The simplification of the given expression is (x - 3).

What are equivalent expressions?

Those expressions who might look different but their simplified forms are same expressions are called equivalent expressions.

Given expression;

$\dfrac{x^2 +7x -30}{x+ 10}$

lets factor  ;

x^2 +7x -30    

(x +10)(x -3)

Now, substitute;

$\dfrac{x^2 +7x -30}{x+ 10} \\\\\\\\dfrac{(x +10)(x -3) }{x+ 10}$

= (x-3)

 

Learn more about expression here;

https://brainly.com/question/14083225

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