Answer:
Step-by-step explanation:
- 4x² - 36x + 81 = 0
- (2x)² - 2*2x*9 + 9² = 0 Identity a² - 2ab + b² = (a - b)²
- (2x - 9)² = 0
- 2x - 9 = 0
- 2x = 9
- x = 4.5
Answer:
The least common multiple of 30, 25, 4 is 150.
Step-by-step explanation:
The given numbers are 30, 25 and 4.
The factors of given numbers are



The L.C.M of given numbers is a smallest number that divides the given numbers completely.


Therefore the least common multiple of 30, 25, 4 is 150.
B 6x - 3
help theres a character limit
Nothing. Say that you substitute 3 for 'z.' 6(3) is the same as (3)6. Simple.