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Dvinal [7]
3 years ago
7

Is anyone bored, and just wants to play some imessage games?solve for x: x2 + 9x + 14 = 0

Mathematics
1 answer:
Hitman42 [59]3 years ago
7 0

Answer:

x = - 7, x = - 2

Step-by-step explanation:

Given

x² + 9x + 14 = 0

Consider the factors of the constant term (+ 14) which sum to give the coefficient of the x- term (+ 9)

The factors are + 7 and + 2, since

7 × 2 = 14 and 7 + 2 = 9, thus

(x + 7)(x + 2) = 0 ← in factored form

Equate each factor to zero and solve for x

x + 7 = 0 ⇒ x = - 7

x + 2 = 0 ⇒ x = - 2

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Yumiko solved |x|>5 by solving x>-5 and x<5. explain the error yumiko made
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Answer:

switched signs around

Step-by-step explanation:

I believe that s/he switched the signs around so

|x|>5 is solved by x<-5 and x>5

but I'm not quite sure, sorry

3 0
2 years ago
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6 0
1 year ago
I NEED HELP ASAP!!!!
abruzzese [7]
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The scale factor is smaller than 1, so C'D' is shorter than CD
8 0
3 years ago
Hey! please help posted picture of question
lara31 [8.8K]
The answer is D) 2

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3 0
3 years ago
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