Answer:
- 3b(10a - 3b)
Step-by-step explanation:
Given
(5a - 3b)² - 25a² ← this is a difference of squares and factors in general as
a² - b² = (a - b)(a + b), thus
(5a - 3b)² - 25a²
= (5a - 3b)² - (5a)²
= (5a - 3b - 5a)(5a + 3b + 5a) ← simplify parenthesis
= - 3b(10a + 3b)
Answers:
From as I can see. You need to do a long division on 76 and 9 and then if you got the answer subtract the answer with the girls surveyed and you'll get the answer and multiply the answer with the boys surveyed and then add all the answers together. Hoped this help!!! :)
Scene two because he has more than half of the lines
Answer:
-7b+3
Step-by-step explanation:
first step you will find numbers if you take -2.2 to get those numbers