3 years ago

What values for x make the following equation true? Select all that are true. 2x2 - 5x – 3 = 0

Mathematics

1 answer:

Mariulka [41]3 years ago

5 0

Answer:

60 h

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3 years ago

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If 3x + 6y = 7z, find x + 2y in terms of z.

o-na [289]

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2 years ago

I have attached the problem in a picture below!

lesantik [10]

Answer:

A. The solution set is x = 5 or -7

Step-by-step explanation:

$\sqrt[4]{ {x}^{2} + 2x } = \sqrt[4]{35} \\ {({x}^{2} + 2x) }^{ \frac{1}{4} } = {(35)}^{ \frac{1}{4} } \\ {x}^{ \frac{1}{2} } + {2x}^{ \frac{1}{4} } = {35}^{ \frac{1}{4} } \\ {x}^{2} + 2x = 35 \\ {x}^{2} + 2x - 35 = 0 \\ (x - 5)(x + 7) = 0 \\ x = 5 \: or \: - 7$