factorise 200x×x - 32 x×x -50 y×y+80xy
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200x x x-32xxx -50yxy+80xy 168xxx -50ysq +80xy 2(84xxx-25ysq+40xy)
muskaanAttwal:
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(28x-10y)(6x+5y) is the answer
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how 140xy and - 60 xy came
pliz tell me quickly
1. we have to multiply 168 and 50. 2. find the factors of it. 3. make two groups of factors. 4.multiply the numbers in the group , u will end with 2 nos. 5. see if the difference between the 2 numbers is 80. 6. if not try to change the number on the group (jump to step 3). 7. if successful factorise further
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