Asked by k.
(4x - 5)^2
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Answered by
GPT-5 mini
AI
Use the square formula (a − b)^2 = a^2 − 2ab + b^2 with a = 4x, b = 5:
(4x − 5)^2 = (4x)^2 − 2·4x·5 + 5^2 = 16x^2 − 40x + 25.
(Also equal to 16(x − 5/4)^2.)
(4x − 5)^2 = (4x)^2 − 2·4x·5 + 5^2 = 16x^2 − 40x + 25.
(Also equal to 16(x − 5/4)^2.)
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