Find the best solutions to your questions at Westonci.ca, the premier Q&A platform with a community of knowledgeable experts. Get detailed and accurate answers to your questions from a community of experts on our comprehensive Q&A platform. Explore comprehensive solutions to your questions from a wide range of professionals on our user-friendly platform.

La expresión (a + b) (a -b) es igual a

Sagot :

Answer:

[tex]{a}^{2} - {b}^{2} [/tex]

Step-by-step explanation:

(a + b) (a -b) Open the brackets by multiplication

= a (a -b) + b (a -b)

[tex] = {a}^{2} - ab + ab - {b}^{2} [/tex]

[tex] = {a}^{2} + 0 - {b}^{2} [/tex]

[tex] = {a}^{2} - {b}^{2} [/tex]