Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • NCERT
  • Find the roots of the following quadratic equations by factorisation: (i) x ^2 - 3x - 10 = 0

Q1.    Find the roots of the following quadratic equations by factorisation:

                (i)    x^2 - 3x - 10 =0

Answers (1)

best_answer

Given the quadratic equation: x^2 - 3x - 10 =0

Factorisation gives, x^2 - 5x+2x - 10 =0

\Rightarrow x^2 - 5x+2x - 10 =0

\Rightarrow x(x-5) +2(x-5) =0

\Rightarrow (x-5)(x+2) =0

\Rightarrow x= 5\ or\ -2

Hence, the roots of the given quadratic equation are 5\ and\ -2.

Posted by

Divya Prakash Singh

View full answer

Similar Questions

Trending Articles/News

anam-khan

CBSE 10th supplementary result 2025 declared; 48.68% students qualify
anam-khan

CBSE Class 10 Compartment Result 2025 (OUT) LIVE: CBSE 10th supply results declared at cbse.gov.in
anam-khan

CBSE 10th Supplementary Result 2025 LIVE: Class 10th compartment result soon; marksheet, latest updates

Latest Question