. The length of a square board is (5x+3). Find the area of the board. Hint: Formula A=l*w

Question

asked May 7, 2022 186k views

2 Answers

Ralu · Answer 1 · 2022-05-11T17:55:54+0000

Answer:

A = 25x^2 + 30x + 9

Explanation:

A = (5x+3) * (5x+3) or A = (5x+3)^2

A = 5x*5x + 5x*3 + 5x*3 + 3*3

A = 25x^2 + 15x + 15x + 9

A = 25x^2 + 30x + 9