Question

$( \frac{7}{5} \times \frac{ - 3}{12} ) + ( \frac{7}{5} + \frac{5}{12} )$
please help. I've tried like 3 times and I still get the same answer which is wrong according to the book.​

Answer 1

Answer:

\begin{align*} \frac{x^2 - 2x - 15}{5x - 25} &= \ frac{(x-5)(x+3)}{5(x - 5)} \\ &= \frac{x+3}{5} \end{ align*}. \(\dfrac{x^2 + 2x - 15}{x^2 + 8x + 15}\).

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Answer 2

Answer:

$\huge\fbox\red{A}\fbox\green{n}\fbox\orange{s}\fbox\pink{e}\fbox\purple{r}$

$( \frac{7}{5} \times \frac{ - 3}{12} ) + ( \frac{7}{5} + \frac{5}{12} ) \\ \\ ( \frac{ - 21}{60}) + ( \frac{84 + 25}{60}) \\ \\ ( \frac{ - 21}{60}) +( \frac{109}{60} ) \\ \\ \frac{ - 21 + 109}{60} \\ \\ \frac{88}{60} \\ \\ \frac{ \cancel{88}}{ \cancel{60}} \\ \\ \frac{22}{15}$

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