Question

!!!kak reshit obyasnite pls sam ne mogu koren ebuchi kakoy to

Answer 1

х³+4х²-9х-36=0
х²(х+4)-9(х+4)=0
(х+4)(х²-9)=0
(х+4)(х+3)(х-3)=0
х₁=-4    х₂=-3    х₃=3