Question

factorise 0.25 y ² - 0.4yz +0.16z²​

Answer 1

Answer:

→ (0.5y-0.4z)²

Step-by-step explanation:

(0.5y)²-2(0.5y*0.4z)+(0.4z)²

(0.5y)²-2(0.5y*0.4z)+(0.4z)²→ a²-2ab+b²= (a-b)²

(0.5y)²-2(0.5y*0.4z)+(0.4z)²→ a²-2ab+b²= (a-b)²→(0.5y)²-2(0.2yz)+(0.4z)²=(0.5y-0.4z)²