factorise 1029+3x³ pls
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Answered by
3
Answer:
your answer is here !
Step-by-step explanation:
Now, 1029 - 3x³
= 3(343 - x³)
= 3(7³ - x³)
= 3(7 - x){7² + (7 × x) + x²},
using the identity a³ - b³ = (a + b)(a² + ab + b²)
= 3(7 - x)(49 + 7x + x²),
which is the required factorization.
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Answered by
1
Answer:
Take 3 common in starting and solve.....
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