how to solve these questions

Asked by vnehar1 | 11th Sep, 2020, 10:24: AM

Expert Answer:

(3 - 2x)(3 + 2x)
 
= 32 - (2x)2  .... (a - b)(a + b) = a2 - b2
= 9 - 4x2

Answered by Yasmeen Khan | 11th Sep, 2020, 10:31: AM