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3 years ago

11

$115. Today, the price rose to $161. Find the percentage increase. $ ?

1 answer:

Svetllana [295]3 years ago

3 0

Answer:

40%

Step-by-step explanation:

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Use the box method to distribute and simplify (-5x-2)(-2x^2+6x).

Mkey [24]

Answer:

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Step-by-step explanation:

1) Use the FOIL method: (a+b)(c+d)=ac+ad+bc+bd.

$10x^{3} - 30x^{2} + 4x^{2} -12x$

2) Collect like terms.

$10x^{3} + (-30x^{2} +4x^{2} )-12x$

3) Simplify.

$10x^{3} - 26x^{2} -12x$

Therefor, the answer is, 10x^3 - 26x^2 - 12x.

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