Math, asked by Anonymous, 10 months ago

how does from below third step
x2-4x+4+25=x2×4x+4+81
comes???



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Answers

Answered by lidyamulugetamewa
0

Step-by-step explanation:

=(x-2)²+25 = (x+2)²+81

=(x-2)(x-2)+25 = (x+2)(x+2)+81

=x(x-2)-2(x-2)+25 = x(x+2)+2(x+2)+81

=x²-2x-2x+4+25 = x²+2x+2x+4+81

=x²-4x+4+25 = x²+4x+4+81

  ...........

           hope it helps nark as brilliant

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