Answer:
= 25x² - 40x + 16
Step-by-step explanation:
(5x - 4)²
= (5x - 4) (5x - 4)
= 25x² - 20x - 20x + 16
= 25x² - 40x + 16
Hope this helps :)
Let me know if there are any mistakes!!
Answer:
140=7×2×2×5
Step-by-step explanation:
-5x + 3(2x - 6) = -13
-5x + 6x - 18 = -13
x = 5 => y = 4
Area=l*w
Area=12.5*12.5= 156.25
The area of the piece of the note paper is 156.25 cm ^2.<span />
