① x²y" z² = 3 (expand)

Mathematics

1 answer:

Ahat [919]3 years ago

4 0

Bruh the answer 874 percent of your

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The area of a square can be represented by the trinomial 9x^2 - 54x + 81. Which of the following is the length of one side of th

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$Use\ (a-b)^2=a^2-2ab+b^2\\\\9x^2-54x+81=\underbrace{(3x)^2-2(3x)(9)+9^2}_{(*)}=(3x+9)^2\\\\\text{The formula of an area of a square with a side x:}\ A=x^2.\\\\\text{Therefore we have answer:}\ The\ length\ of\ side\ of\ the\ square\ is\ 3x+9.$

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3 expressions that are equivalent to 9^4

Katyanochek1 [597]

Answer:

Step-by-step explanation:

hello :

9^4 = (3^2)^4

9^4 =3^8

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