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DedPeter [7]
4 years ago
9

WORTH 15 POINTS NEED NOW Factor: (x – 4)^2 = 25

Mathematics
1 answer:
ziro4ka [17]4 years ago
3 0
The answer is
(x - 4) ^{2}  \:  = 25 \\  {x}^{2}  - 8x +  {4}^{2}  - 25 = 0 \\  {x}^{2}  - 8x - 9 = 0 \\ x = 9 \: or \:  x =  - 1

Hope it helps!
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Um terreno retangular possui o comprimento cinco vezes maior que a largura. Sabendo que o perímetro desse terreno é igual a 180
icang [17]

Responder:

15 m e 75 m

Explicação passo a passo:

Deixar :

Largura = x

Comprimento = 5x

Perímetro = 180

Já o terreno tem uma forma retangular; usamos a relação;

Perímetro = 2 (comprimento + largura)

180 = 2 (5x + x)

180 = 2 (6x)

180 = 12x

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15 = x

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weqwewe [10]

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Step-by-step explanation:

(3y^2-4y+7)(7y^3) =

21y^5-28y^4+49y^3

7 0
4 years ago
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