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statuscvo [17]
3 years ago
11

Can someone please help me:) ASAP

Mathematics
1 answer:
tamaranim1 [39]3 years ago
4 0
I'm pretty sure the third one is correct.
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What is the product of the polynomials shown below?
Sindrei [870]

Answer:

B. 14x^3+39x^2+18x+20

Step-by-step explanation:

Given polynomials are:

(7x^2+2x+4)(2x+5)\\For\ product\\(2x+5)(7x^2+2x+4)\\= 2x(7x^2+2x+4)+5(7x^2+2x+4)\\= 14x^3+4x^2+8x+35x^2+10x+20\\Combining\ alike\ terms\\= 14x^3+4x^2+35x^2+8x+10x+20\\=14x^3+39x^2+18x+20

The product of given polynomials is:

14x^3+39x^2+18x+20

Hence, Option B is correct ..

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3 years ago
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Y_Kistochka [10]

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but c is a bit trickier a rigid motion is a transformation that doesn't change size or shape and we are just moving points which have same size so c is true.

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