Factorize using identity:
a) 27x³+ 125³
b) 9x²+6xy+y²
c) 27x³+y³+ z³-9xyz
anyone who will answer it,i will give him/her 10 points
Answers
Answered by
1
Answer:
Explanation:
a)(3x+5)(9x²+25-15x)
b)(3x+y)²
=(3x+y)(3x+y)
c) (3x+y+z) [9x² +y² +z² —3xy —yz —3zx]
Answered by
2
Answer:
27x³+125³
(3x+5)³
9x²+6xy +y²
product = 9x²ý²
sum = 6xy
(9x)² + (3x+3y) + y²
9x²+3x+3y +y²
3x(x+3)y(1+3)
(3x+y) (x+3)
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