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CBSE Class 7 Answered

Simplify      -2a^2+(2a-b)*(a+b)+2ba+b^2
Asked by divyapp270 | 13 Jan, 2021, 08:15: PM
answered-by-expert Expert Answer

-2a2 + (2a - b)(a + b) + 2ba + b2

= -2a2 + 2a2 + 2ab - ab - b2 + 2ab + b2
= 4ab - ab
= 3ab
Answered by Yasmeen Khan | 20 Jan, 2021, 10:41: PM

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