Answer:
49x² + 42x + 9
Step-by-step explanation:
Given
(7x + 3)²
= (7x + 3)(7x + 3)
Each term in the second factor is multiplied by each term in the first factor, that is
7x(7x + 3) + 3(7x + 3) ← distribute both parenthesis
= 49x² + 21x + 21x + 9 ← collect like terms
= 49x² + 42x + 9
Answer:
The 2nd one
Step-by-step explanation:
Answer:
C. 1 solution
Step-by-step explanation:
I calculated logically
Answer:
You are mulitplying the last number by two. The next two terms are 32 and 64.
Step-by-step explanation: