Question

Using the identify for difference of two squares find the values of 86 ² - 76 ²

Answer 1

86²-76²

a²-b² = (a+b) (a-b)

a = 86

b = 76

By using the above formula u obtain the following answer

(86+76) (86-76)

= 162 × 10

= 1620

Therefore 1620 is the answer

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Answer 2

Answer:

1620

Step-by-step explanation:

86×86=7396

76×76=5776

7396-5776=1620