Fill in the blanks:
The sum of $- 2 and - 5 =$ _ and the sum of $- 2 x and - 5 x =$ ___

Open in App

Solution

Sum of $- 2 and - 5 = (- 2) + (- 5)$
$= - 2 - 5$
$= - 7$
Sum of $- 2 x and - 5 x = (- 2 x) + (- 5 x)$
$= - 2 x - 5 x$
$= - x (2 + 5)$
$= - x (7)$
$= - 7 x$
Hence, the sum of $- 2 and - 5 is - 7$ and the sum of $- 2 x and - 5 x = - 7 x$ .

Suggest Corrections

Similar questions

Question 6 (b)

From the sum of $4 + 3 x a n d 5 - 4 x + 2 x^{2}$ , subtract the sum of $3 x^{2} - 5 x a n d - x^{2} + 2 x + 5$ .

4 + 3 x

5 - 4 x + 2 x^{2}

3 x^{3} - 5 x

- x^{2} + 2 x + 5

(4 + 3 x - x^{2})

(5 - 4 x + 2 x^{2})

(3 x^{2} - 5 x)

(- x^{2} + 2 x + 5)

4 + 3 x a n d 5 - 4 x + 2 x^{2}

3 x^{2} - 5 x a n d - x^{2} + 2 x + 5

Join BYJU'S Learning Program