Question

Phan tich thanh nhan tu : \(6a^4+7a^3-37a^2-8a+12\)

Answer 1

\(6a^4+7a^3-37a^2-8a+12\)

\(=6a^4-12a^3+19a^3-38a^2+a^2-2a-6a+12\)

\(=6a^3\left(a-2\right)+19a^2\left(a-2\right)+a\left(a-2\right)-6\left(a-2\right)\)

\(=\left(a-2\right)\left(6a^3+19a^2+a-6\right)\)