3. Draw a tree diagram for i. -7x+15xy-7x2+15xy ii. 4a²b²+4a²b2+3a iii. 15xy+11z²15xy+1122
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Step-by-step explanation:
a). expression -7x+15xy-7*2+15xy
terms. -7x,15xy,(-7),2,15xy
factors. -1,7,x,15,x,y,-1,7,2,15,x,y
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