The expression (x-7)^2 can be expanded into a trinomial in standard form by using the FOIL method:
(x-7)^2 = (x-7)(x-7)
= x*x - 7*x - 7*x + 7*7
= x^2 - 7x - 7x + 49
= x^2 - 14x + 49
Therefore, the trinomial form of (x-7)^2 in standard form is x^2 - 14x + 49.
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Express left bracket, x, minus, 7, right bracket, squared(x−7)
2
as a trinomial in standard form.
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