find the value of x if ,8x = 23 square - 17 square
Answers
Answered by
3
Answer:
30
Step-by-step explanation:
there are 2 ways of doing this
the first one is,
23^2 = 529
17^2 = 289
529 - 289 = 240
x = 240/8
x = 30
The second way is to use the formula (a+b)(a-b)= a^2 - b^2
= 23^2 - 17^2 = (23+17)(6)/8 = 40/8 x 6 = 30
Hope this helps
Answered by
83
✬Question✬
- Find the value of x if 8x =
✬To Find✬
- Value of x = ?
✬Solution✬
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