CBSE Class 9 Answered
how to solve these questions
Asked by vnehar1 | 11 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 | 11 Sep, 2020, 10:31: AM
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