Question

49a^2-28ab+4b^2
express the following expressions in the square form​

Answer 1

Answer:

Step-by-step explanation:

49a^2 - 28Ab + 4b^2

Using (a - b)^2 = a^2 - 2ab + b^2

=) (7a)^2 - 2(7a)(2b) + (2b)^2

=) (7a - 2b)^2

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