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Mathematics 9 Online
OpenStudy (anonymous):

Factor completely: 21x3 + 35x2 + 9x + 15

jhonyy9 (jhonyy9):

this will help you 7*3*x*^2 +5*7x^2 +3*3x +3*5 = now you nee grouping it first by second and 3rd by 4rd check what is the common term factor it out and check what will get

jhonyy9 (jhonyy9):

need groupimg sorry

jhonyy9 (jhonyy9):

ok ?

jhonyy9 (jhonyy9):

sorry i have missed one x from the first term so than will be 7*3*x*x^2

OpenStudy (anonymous):

(3x+5)(7x^2+3)

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