Question

1) Выполните действия

a) (3a^2-17a+16)-(17a^2-10a)
b) 15b(10b^3-b)

Answer 1

$(3a^{2}-17a+16)-(17a^{2}-10a)=3a^{2}-17a+16-17a^{2}+10a=$$-14a^{2}-7a+16$

$15b(10b^{3}-b)=150b^{4}-15b^{2}$