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Helen [10]
3 years ago
8

Choose the correct simplification of (6x-5)(2x2-3x-6)

Mathematics
2 answers:
seraphim [82]3 years ago
6 0

Answer:

The correct simplification of (6x-5)(2x^2-3x-6) is:

12x^3-28x^2-21x+30

Step-by-step explanation:

we have to evaluate:

(6x-5)(2x^2-3x-6)\\\\=6x(2x^2-3x-6)-5(2x^2-3x-6)\\\\=12x^3-18x^2-36x-10x^2+15x+30\\\\=12x^3-28x^2-21x+30

Hence, correct simplification of (6x-5)(2x^2-3x-6) is:

12x^3-28x^2-21x+30

Lady bird [3.3K]3 years ago
5 0
<span><span><span><span>I think it equals 12<span>x3</span></span>−<span>28<span>x2</span></span></span>−<span>21x</span></span>+<span>30
hope this helps!
</span></span>
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7 0
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Mary and Mike went to the store to buy colored pencils for their science class.mike bought a 12-pack for 1.69,and Mary bought a
sweet-ann [11.9K]

12-pack for 1.69 is a better buy

<em><u>Solution:</u></em>

Given that, Mike bought a 12-pack for 1.69 and Mary bought a 24-pack for 3.18

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First we have to find the unit rate

Unit rate is cost of 1 pack

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Therefore,

Cost of 12 pack = 1.69

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Thus unit rate of Mike is larger

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3 years ago
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