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ICSE Class 9 Answered

a²-(2a+3b)²
Asked by baruniagarwal.112056 | 27 Apr, 2021, 08:46: AM
answered-by-expert Expert Answer
a2 - (2a + 3b)2 = a2 - [(2a)2 + (3b)2 + 2(2a)(3b)]
= a2 - 4a2 - 9b2 - 12ab
= -9b2 - 12ab - 3a2
Answered by Renu Varma | 27 Apr, 2021, 11:53: AM
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