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CBSE Class 8 Answered

(X²+2x+1) + 2(x²-1)
Asked by agarwalmamta469 | 21 Jul, 2020, 09:11: PM
answered-by-expert Expert Answer
x2+2x+1+2(x2-1)
= x2 + 2x + 1 + 2x2 - 2
= 3x2 + 2x - 1
= 3x2 + 3x - x - 1
= 3x(x+1) - (x+1)
= (x+1)(3x-1)
Answered by Renu Varma | 22 Jul, 2020, 11:31: AM
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