Given: –[tex] c^{2} [/tex](3c – 2)
On opening the bracket, I get, = -3[tex] c^{3} [/tex] + 2[tex] c^{2} [/tex]
because , the following sign conventions are followed:
( - )× (-) = +
( - )× (+) = -
(+)× (-) = -
(+ )× (+) = +
thus the answer is -3[tex] c^{3} [/tex] + 2[tex] c^{2} [/tex]
