Please Solve 6(x + 4) = 30

Mathematics

2 answers:

lianna [129]3 years ago

6 0

Answer: x=1

Step-by-step explanation: 6x+24=30

6x=6

x=1

Aliun [14]3 years ago

4 0

Answer:

x=1

Step-by-step explanation:

distribute 6 into (x+4). 6x+24=30

Subtract 24 from its place, cancel it, and subtract it from 30. 6x=6

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nasty-shy [4]

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6 0

3 years ago

Solve the following new equation

mixer [17]

Answer:

<h3>x = 1.54 or x = - 4.54 to 2 decimal places</h3>

Step-by-step explanation:

x² + 3x - 7 = 0

Using the quadratic formula

a = 1 b = 3 c = - 7

$x = \frac{3 ± \sqrt{ {3}^{2} - 4(1)( - 7) } }{2(1)} \\ x = \frac{ - 3± \sqrt{9 + 28} }{2} \\ \\ x = \frac{ -3 ± \sqrt{37} }{2} \\ \\ x = \frac{ - 3 + \sqrt{37} }{2} \: \: \: \: \: or \: \: \: x = \frac{ - 3 - \sqrt{37} }{2} \\ \\ x = 1.54 \: \: \: or \: \: x = - 4.54$