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3a(b+c)+2b(b+c)
0.3333
the answer to factorising (a x a3 + 2ab + b2) would be (a4+2ab+b2)
In its most simplified form: = 12abc + 8bc - 20ab = 4b(3ac + 2c - 5a) = 4b[(c + 5/3)(3a + 2) - 10/3]
-3