CameraIcon

SearchIcon

MyQuestionIcon

5

You visited us 5 times! Enjoying our articles? Unlock Full Access!

Evaluating Area When Side Is a Variable

Question 3iSi...

Question

Question 3(i)
Simplify:
$(x^{2} - 5) (x + 5) + 25$

Open in App

Solution

$(x^{2} - 5) (x + 5) + 25 = x^{2} (x + 5) - 5 (x + 5) + 25$
$= x^{2} \times x + x^{2} \times 5 - 5 \times x - 5 \times 5 + 25$
$= x^{3} + 5 x^{2} - 5 x - 25 + 25$
$= x^{3} + 5 x^{2} - 5 x$

Suggest Corrections

thumbs-up

4

Similar questions

Question 3(i)
Simplify:
$(x^{2} - 5) (x + 5) + 25$

(x^{2} - 5) (x + 5) + 25

(x - 5) (x + 5) + 25

Factors of

$- x^{3} - 125$

Q. Solve the equation:-

(x^{2} - 5) (x + 5) + 25 = 0

View More

Join BYJU'S Learning Program

explore_more_icon

Explore more

Evaluating Area When Side Is a Variable

Standard IX Mathematics

Join BYJU'S Learning Program

CrossIcon