Asked by TUHITUHI
what must be added to each of the following expressions to make it a whole square
(i) 4x^2 - 12x + 7
(ii) 4x^2 - 20x + 20
(i) 4x^2 - 12x + 7
(ii) 4x^2 - 20x + 20
Answers
Answered by
Steve
since
(2x-3)^2 = 4x^2 - 12x + 9
(2x-5)^2 = 4x^2 - 20x + 25
it should be clear.
(2x-3)^2 = 4x^2 - 12x + 9
(2x-5)^2 = 4x^2 - 20x + 25
it should be clear.
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