Example 16 - Find product (x - 3) (x + 5) using identities [Video] - Examples

Remove Ads

Transcript

Example 16 Find the following products using appropriate identities: (ii) (x 3) (x + 5) (x 3) (x + 5) Using (x + a) (x + b) = x2 + (a + b)x + ab, putting a = 3, b = 5 = x2 + ( 3 + 5)x + ( 3)(5) = x2 + 2x 15

Davneet Singh's photo - Co-founder, Teachoo

Made by

Davneet Singh

Davneet Singh is an IIT Kanpur graduate and has been teaching for 16+ years. At Teachoo, he breaks down Maths, Science and Computer Science into simple steps so students understand concepts deeply and score with confidence.

Many students prefer Teachoo Black for a smooth, ad-free learning experience.