Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • NCERT
  • Use the identity (x + a)(x + b) = x^2 + (a + b)x + ab to find the following products. (i) (x+3)(x+7)

Q : 2      Use the identity  (x+a) (x+b) = x^2+(a+b)x+ab   to find the following products.

              (i) (x+3)(x+7)

Answers (1)

best_answer

We use identity (x+a) (x+b) = x^2+(a+b)x+ab
 in this a = 3 and b = 7
                                  (x+3)(x+7) = x^2+(3+7)x+3 \times 7
                                                                 = x^2+10x+ 21

Posted by

Gautam harsolia

View full answer

Similar Questions

Trending Articles/News

anam-khan

JNVST Class 6 admit card 2025 out at navodaya.gov.in; exam in 2 phases
anam-khan

NVS LEST 2025 application correction deadline today at navodaya.gov.in; editable fields
anam-khan

NVS 2025 application correction window for Class 9, 11 admissions opens at navodaya.gov.in

Latest Question