Math, asked by trisharathore00, 4 months ago

(x - 3) (x + 7) = x^2 + _____ + 21​

Answers

Answered by ashutoshghosh319
1

Step-by-step explanation:

(x - 3) (x + 7) = x^2 + _4x____ - 21

= x^2 + 7x - 3x - 21

= x^2 + 4x - 21

Similar questions