Question

Use suitable identity to find the following products:

(i) (3 + 4)(3 − 5) ​

Answer 1

Answer:

this question answer is -14

Answer 2

Answer:

-14

Step-by-step explanation:

identity is x^2+x(a-b)-ab =(x+a)(x-b)

=>3^2+3(4-5)-20

=>9-3-20

=>-14