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Mathematics, 06.01.2020 19:31 kp2078
(a – b)2 = (a – b)(a – b) = a2 – 2ab + b2 find the product of (k – 9)2 using the perfect square trinomial rule shown on the left.
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(a – b)2 = (a – b)(a – b) = a2 – 2ab + b2 find the product of (k – 9)2 using the perfect square trin...
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