Question

porrr favorr me ajudemmmmm Sendo os polinômios: a(x)=3x3+5x2-3x, e b(x)=4x3-2x2+5 calcule : a(x),b(x)

Answer 1

a(x).b(x)
$(3 x^{3} + 5x{2} - 3x).( 4x^{3} - 2 x^{2} +5)$
$12 x^{6} - 6x^{5} +15 x^{3} + 20 x^{5} -10 x^{2} + 25 x^{2} -12 x^{4} + 6 x^{3} -15x$
$16 x^{6} + 15 x^{5} -24 x^{4} +21 x^{3} +25 x^{2} - 15x$