3 years ago

3x+5=19-4xWhat does x equal?

Mathematics

1 answer:

alexandr1967 [171]3 years ago

8 0

Answer:

x=2

Step-by-step explanation:

x=2 in the equation 3x+5=19-4x

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Factor the polynomial 64x^3-125

kobusy [5.1K]

$64 x^{3} -125$

= $(4x)^{3} - 5^{3}$ ------> because, $(4x)^{3}$ is same as 64x³ and
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= $(4x -5)((4x)^{2} +4x*5+ 5^{2} )$

= $(4x -5)(16 x^{2} +20x+25)$ ------>that's your answer!!