Question

$x.(2x-3)$
$(4a+b).2 b^{2}$
$-xy.( x^{2} -2xy+ y^{2} )$

me ajuda e urgente

Answer 1

x . (2x - 3)
2x² - 3x

(4a + b) . 2b²
8ab² + 2b³

- xy . (x² - 2xy + y²)
- x³y + 2x²y² - xy³

Bons estudos!