Answer:
a² + 4ab + 4b²
Step-by-step explanation:
Given
(a + 2b)²
= (a + 2b)(a + 2b)
Each term in the second factor is multiplied by each term in the first factor, that is
a(a + 2b) + 2b(a + 2b) ← distribute both parenthesis
= a² + 2ab + 2ab + 4b² ← collect like terms
= a² + 4ab + 4b²
Answer:
A. Cube root
Step-by-step explanation:
Answer:
8,9
Step-by-step explanation:
(x +1) + 7=2x
x+8 = 2x
8=x
The answer for this is 4/4
THANKS!!!
foxy girl-:)
Answer:
3)x=7,y=-2
Step-by-step explanation: