Question

lm giúp mik vs mn mik cần gấp

Answer 1

a: \(2x^2\left(3xy+x^2-2y^2\right)\)

\(=6x^3y+2x^4-4x^2y^2\)

b: \(\dfrac{1}{3}x^2y^3\left(2x-3y+1\right)\)

\(=\dfrac{2}{3}x^3y^3-x^2y^4+\dfrac{1}{3}x^2y^3\)

h: \(\left(x-1\right)\left(x+1\right)\left(2x-3\right)\)

\(=\left(x^2-1\right)\left(2x-3\right)\)

\(=2x^3-3x^2-2x+3\)