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Simply the expression : z2-z(z+3)+3z

Rawan2000 English 2 6

Simply the expression : z2-z(z+3)+3z

Posted by Rawan2000 | Posted at Mar 26, 2000 | Categories: English

Answers

BettieZumbrunnen
BettieZumbrunnen

The part in the middle is -z(z + 3) becomes -z² - 3z . Those two negative things cancel the two positive things in the expression . . . well, here, let me show you : z² - z(z + 3) + 3z = z² [ - z² - 3z ] + 3z . . . and that all adds up to exactly zero.

Mar 26, 2000 02:11

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