please help me number number 2
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a. 2a ; b ; 2a,b ; 2a,-3 ; b,-3
hasilnya 4a^2 ; b^2 ; 9 ; 2ab ; -6a ; -3b
b. 5x ; -3z ; 5x,-4y ; 5x,-3z ; -4y,-3z hasilnya 25x^2 ; 9z^2 ; -20xy ; -15xz ; 12yz
Nb: ^ = pangkat
semoga membantu & paham JadKan jAWAban teRbAIKK...