2 years ago

I need help on these ??!!

Mathematics

1 answer:

lana [24]2 years ago

7 0

Could i see the rest of the answer?

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Theo started to solve the quadratic equation (x + 2)^2 – 9 = –5. He added 9 to both sides and the resulting equation was (x + 2)

Sliva [168]

When we take the square root of each side, the equation would become:
abs (x+2) = 2
⇒ x+2 = ±2.

The final answer is x + 2 = ±2.

Hope this helps~

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2 years ago

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Scorpion4ik [409]

Hi!

1.)

a:A u B=

$(1.0. - 5. \frac{1}{2} .e)$

(The same elements are written once.)

b:A u C

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c:B u C

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Note:I used dots to mean commas .

Good work!

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