Answer:A2 - b 2=(a + b) ( a - b) where a =2 and b =x2.
2(2 + x2) ( 2 - x2)
Step-by-step explanation:
Since both terms are perfect squares, factor using the difference of squares formula,
Answer:
-5x^2+2
3.6 cm²
18 mm = 1.8 cm
A = 2cm×1.8cm = 3.6 cm²
