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descompuneti in factori expresia 20xla a2 +24xla a 4

Răspuns :

4x la a 2-a ( 5 + 6x la a 2-a)
(20x)²+(24x)⁴=20²*x²+24⁴*x⁴=(5x4)²*x²+(6x4)⁴*x⁴=5²*4²*x²+6⁴*4⁴*x⁴=
4²*x²(25+6⁴*4²*x²)=
16x²(25+1296*16*x²)=16x²(25+20736x²)