Question

Calcule:
a)6n*(-n)*(-n)
b)2a*(3a-7)
c)(-2x)*5xy*x d)2m(-m²-m+5)

Answer 1

a
6n ( -n)(-n) = + 6n³ *****
b
2a ( 3a - 7 ) =6a² - 14a *****
c
( -2x)(5xy) (x) =- 10x³y *****
d
2m( -m² - m + 5 ) = ( - 2m³ -2m² + 10m )*****