<u> Equation:</u>
x(x - 5) + 3(x + 5)
<u>Steps:</u>
x(x - 5) + 3(x + 5)
<u>Expand:</u>
x(x - 5 ): x^2 - 5x
x^2 - 5x + 3(x + 5)
<u>Expand:</u>
3(x + 5): 3x + 15
x^2 - 5x + 3x + 15
<u>Add Similar Elements: </u>
-5x + 3x
= -2x
Answer x^2 - 2x + 15 Doesn't Factor
Hope that helps!!! : )
Answer:

Step-by-step explanation:
To find the inverse of a function, swap the places of the x and y variables and solve for y again.

A ∩ B = {2, 4} [intersection (∩) means the common terms]
Answer:
80
Step-by-step explanation:
25% of 80 is 20
20 x 4 = 80