3 years ago

Which choice is equivalent to the expression shown below? -3(3y-2x) +2(5x-4y)

Mathematics

1 answer:

kap26 [50]3 years ago

7 0

Answer:

-17y + 16x

Step-by-step explanation:

-3(3y - 2x) + 2(5x - 4y) = -9y + 6x + 10x - 8y = -17Y + 16X.

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Question 11 of 25

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$\\ \sf\longmapsto x+4=\sqrt{8-x}$

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$\\ \sf\longmapsto x^2+16+8x=8-x$

$\\ \sf\longmapsto x^2+8x-x+16-8=0$

$\\ \sf\longmapsto x^2+7x+8=0$

$\\ \sf\longmapsto x^2-8x+x+8$

$\\ \sf\longmapsto (x-8)(x-1)=0$

$\\ \sf\longmapsto x=8,-1$

Option C

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