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lisabon 2012 [21]
3 years ago
12

Prompt:

Mathematics
2 answers:
Varvara68 [4.7K]3 years ago
8 0

Answer:

x power2+6x+4 is the answer

Oksana_A [137]3 years ago
6 0

Answer:

okay here we go ,

in multiplication of polynomials, we have to multiply each term of first polynomial to each term of the second polynomial.

So,

=》

(x + 2)(x - 4)

now, multiply x in first polynomial to both terms of second polynomial and add them, similarly multiply 2 with both terms of second polynomial and add them .

=》

(x \times x) + (x \times  - 4) + (2 \times x) + (2 \times  - 4)

=》

{x }^{2}  + ( -4x) + 2x + ( - 8)

now, add them up : -

=》

{x}^{2}  - 4x + 2x  - 8

now, check for like terms, if there are like terms then combine them.

( here like terms are -4x and +2x )

we get,

=》

{x}^{2}  - 2x - 8

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