what is [a+2b]^2 - a^2
Answers
Answered by
2
Answer:
[a+2b]^2 - a^2=a²+4b²+4ab-a²=4b²+4ab
Answered by
0
Answer:
(a + 2b)2 – a2 = ( a + 2b)2 – (a)2
= (a + 2b + a) (a + 2b – a)
= (2a + 2b) (2b)
= 2 (a + b) (2b)
= 2 × 2b (a + b)
= 4b (a + b)
Step-by-step explanation:
here is the answer
Similar questions