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3 years ago

10

Can you factor m3 - 216

1 answer:

Sergio039 [100]3 years ago

6 0

Answer:

Step-by-step explanation:

m³ -216 = m³ - 6³

a³ - b³ = (a-b) (a² + ab + b²)

a = m and b = 6

m³ - 6³ = (m - 6)(m² + 6m + 6²)

= (m - 6)(m² + 6m + 36)

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R 2x-6+3=6x-5 please help

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$2x - 6 + 3 = 6x - 5$

$2x - 3 = 6x - 5$

$6x - 5 = 2x - 3$

Add sides 5

$6x - 5 + 5 = 2x - 3 + 5$

$6x = 2x + 2$

Subtract sides 2x

$- 2x + 6x = - 2x + 2x + 2$

$4x = 2$

Divide sides by 4

$\frac{4x}{4} = \frac{2}{4} \\$

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CHECK :

$2( \frac{1}{2} ) - 3 = 6( \frac{1}{2} ) - 5 \\$

$1 - 3 = 3 - 5$

$- 2 = - 2$

Thus the solution is correct....

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Margaret is a waitress at The Seafood Bonanza. She earns $3 an hour plus 90% of her tips. Write an equation for her salary, S, i

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