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Popular >

simplify (6.9^2-49)/(6.9-7)

Solution

simplify

\frac{6. 9 ^{2} - 49}{6.9 - 7}

Solution

13.9

Solution steps

\frac{6. 9 ^{2} - 49}{6.9 - 7}

Factor

6. 9^{2} - 49 : (6.9 + 7) (6.9 - 7)

= \frac{( 6.9 + 7 ) ( 6.9 - 7 )}{6.9 - 7}

\frac{( 6.9 + 7 ) ( 6.9 - 7 )}{6.9 - 7} = \frac{13.9 ( - 0.1 )}{- 0.1}

= \frac{13.9 ( - 0.1 )}{- 0.1}

Cancel the common factor:

- 0.1

= 13.9

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Frequently Asked Questions (FAQ)

What is (6.9^2-49)/(6.9-7) ?
The solution to (6.9^2-49)/(6.9-7) is 13.9