What is the product of (7x+3) ^2

Question

Chris Nielsen

Mathematics

7 February, 22:51

What is the product of (7x+3) ^2

+5

Answers (2)

Know the Answer?

Anton Greene · Answer 1

Anton Greene 7 February, 23:00

0

The answer is 49x^2 + 42x+9

Austin Willis · Answer 2

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