Answer:
please press on (select) so we can choose the answers and I will help you
Step-by-step explanation:
Answer:
4
Step-by-step explanation:
Using the rule of radicals
×
⇔ 
Given

= 
=
× 
= 2
(x-y)(x-7)
You can get this by using the splitting method.
Answer:
A. 5(1 + 3x)
Step-by-step explanation:
5(1 + 3x)
(5 × 1) + (5 × 3x)
5 + (5 × 3x)
5 + 15x
A works. Let's check the rest.
1(5 + 3x)
(1 × 5) + (1 × 3x)
5 + (1 × 3x)
5 + 3x
B does not work.
3(5 + х)
(3 × 5) + (3 × x)
15 + (3 × x)
15 + 3x
C doesn't work.
5(3x)
5 × 3x
15x
B, C, and D do not work.