8j^3+4j^2+10j+5

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Rod · Answer 1 · 2022-05-06T08:40:04+0000

8j³+4j²+10j+5=4j²(2j+1)+5(2j+1) is another way of writing the expression.

This factorises: (4j²+5)(2j+1) because 2j+1 is a common factor of both terms.