Question

441-p²=(21)²-(17)²
maths algebra​

Answer 1

p = 17

Explanation:

→ Expand out (21)² - (17)²

21² = 441 and 17² = 289 therefore 441 - 289 = 152

→ Plug value back into equation

441 - p² = 152

→ Minus 441 from both sides

- p² = -289

→ Square root both sides

p = 17

Answer 2

Explanation:

hope it will help you......