3 years ago

441-p²=(21)²-(17)²maths algebra

Mathematics

2 answers:

baherus [9]3 years ago

8 0

Answer:

p = 17

Step-by-step 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

Brrunno [24]3 years ago

4 0

Step-by-step explanation:

hope it will help you......

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441-p²=(21)²-(17)²maths algebra​

441-p²=(21)²-(17)²maths algebra