Complete the equivalent equation for –7x – 60 = x2 + 10x.

(x + )(x + ) = 0

What are the solutions of –7x – 60 = x2 + 10x?

x =

The equivalent equation is

The solution are

Explanation:

Given that the equation is

Simplifying the equation, we get,

Switch sides, we have,

Equivalent equation:

Let us factor the quadratic equation.

Thus, we have,

Grouping the terms, we get,

Factoring out (x+5), we get,

Thus, the equivalent equation is

Solution:

Solving the equation , we get,

 and  

    and      

Thus, the solutions are   and

.

step-by-step explanation:

3: 2

step-by-step explanation:

shorter piece is 2: 3, so just reverse it, and you get 3: 2