\(2x\left(x^2-3y\right)=2x^3-6xy\)
\(-18x^3y^4:3xy^4=-\left(6x^2\right)\)
a) \(2x\left(x^2-3y\right)\)
\(=2x^3-6xy\)
a)\(2x\left(x^2-3y\right)\\ =2x^3-6xy\)
b) \(-18x^3y^4\div3xy^4\\ =-6x^2\)
Chúc bạn học tốt!!! ^_^
\(a,2x\left(x^2-3y\right)=2x.x^2-2x.3y\)
\(=2x^3-6xy\)
\(b,-18x^3y^4:3xy^4=-6x^2\)