2 years ago

How to write a math phrase in algebraic expressions

Mathematics

2 answers:

Maksim231197 [3]2 years ago

5 0

2^5*2=? I think but ok whatever

motikmotik2 years ago

3 0

That depends on the format of the question there are many ways to write in algebraic form

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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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