3. Find the following squares using suitableidentitiesa. (2a - 35)

1.	3. Find the following squares using suitableidentitiesa. (2a - 35)
Answer» ANSWER: $(2a - 35) {}^{2} \\ using \: identity \: {(x - y)}^{2} = {x}^{2} + {y}^{2} - 2xy \\ = (2a ){}^{2} + ({35)}^{2} - 2(2a)(35) \\ {4a}^{2} + 1225 - 140a$

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$(2a - 35) {}^{2} \\ using \: identity \: {(x - y)}^{2} = {x}^{2} + {y}^{2} - 2xy \\ = (2a ){}^{2} + ({35)}^{2} - 2(2a)(35) \\ {4a}^{2} + 1225 - 140a$

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3. Find the following squares using suitableidentitiesa. (2a - 35)​

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3. Find the following squares using suitableidentitiesa. (2a - 35)