factorise: 1029–3x²
Answers
Answered by
3
Answer: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.
#MarkAsBrainliest
Step-by-step explanation:
Similar questions