1251097366
Answered

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7(x−4)2−18=10 plsss help

Sagot :

Answer:

[tex]7(x - 4) {}^{2} - 18 = 10 \\ 7 {x}^{2} - 56x + 112 - 18 - 10 = 0 \\ 7x {}^{2} - 56x + 84 = 0 \\ (x - 6)(x - 2) = 0 \\ x = 2 \: and \: 6[/tex]

Answer:

7(x-4)2-18=12

x=6

Step-by-step explanation:

7(x-4)2-18=10

simplify:

14x-74=10

group all constants on the right side of the equation:

14z-74=10

14x-74+74=10+74

14x=10+74

14x=84

isolate the x:

14x=84

14x/14 = 84/14

x=84/14

x=6

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