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OpenStudy (anonymous):
I need help with this did I get this right? so would it be 5xy - 3yz - 5xz + yz - 4xz + 7xy 5 *10*4 -3*4*6 – 5*10*6 + 4*6- 4*10*6+ 7*10*4 50*4- 12*6- 50*6+24-40*6+70*4 200-72-300+24-240+280 128-324-520 128-196=68
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OpenStudy (anonymous):
Assuming x is 10, y is 4 and z is 6 . Looks like straight multiplication to me.
OpenStudy (anonymous):
no...its -128
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