3 years ago

15×+2x can be written as?

Mathematics

1 answer:

Usimov [2.4K]3 years ago

8 0

Answer:

15x + 2x can be written as 17x

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Salsk061 [2.6K]

Answer:

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Step-by-step explanation:

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3 years ago

Solve V- E = 2 for E; E = A.) V - 2 B.) V + 2 C.) - V - 2 D.) - V + 2

zhuklara [117]

Add v to both sides: -E=2+V
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Answer: -V-2

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3 years ago

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Mashutka [201]

Answer: 3, -3, 3i, -3i

Step-by-step explanation:

$x^4-81=0\\\\Factor:\\(x^2-9)(x^2+9)=0\\(x-3)(x+3)(x^2+9)=0\\\\\text{Apply the Zero Product Property:}\\x-3=0\qquad x+3=0\qquad x^2+9=0\\\boxed{x=3}\qquad \qquad \boxed{x=-3}\qquad \quad x^2=-9\\.\qquad \qquad \qquad \qquad \qquad \qquad x=\sqrt{-9}\\.\qquad \qquad \qquad \qquad \qquad \qquad \boxed{x=\pm 3i}$

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3 years ago