Factorise 8x^3+20x^2+6x-9
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4
iff 18x³+ 21x²+ 6x - 9
Solution is here:
18x³+ 21x²+ 6x - 9
18x³ + 18x²+3x²+3x-9x -9
18x²(x+1)+3x(x+1) -9(x+1)
(x+1) (18x²+3x-9)
Solution is here:
18x³+ 21x²+ 6x - 9
18x³ + 18x²+3x²+3x-9x -9
18x²(x+1)+3x(x+1) -9(x+1)
(x+1) (18x²+3x-9)
Answered by
0
18x³+ 21x²+ 6x - 9
18x³ + 18x²+3x²+3x-9x -9
18x²(x+1)+3x(x+1) -9(x+1)
(x+1) (18x²+3x-9)
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