3 years ago

Which number is not a solution of the equation |x+2|=x+2

Mathematics

1 answer:

Dmitry [639]3 years ago

5 0

Answer:

x could have any solution, and not really any incorrect ones

Step-by-step explanation:

the equation is just saying the value of x and two is equal to x and two (the little line things just mean the total value of whatever is inside of them). so really, x could have any solution.

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Using the distributive property, Marta multiplied the binomial (2x + 3) by the trinomial (x2 + x – 2) and got the expression bel

Lelu [443]

Answer:

The resultant expression is $2x^{2}+5x^{2}-x-6$ .

Step-by-step explanation:

The distributive property of multiplication is:

$a\times (b+c)=(a\times b)+(a\times c)$

The two polynomials provided are:

$(2x+3)\\(x^{2}+x-2)$

Determine the final expression by multiplying the two polynomials as follows:

$(2x+3)\times (x^{2}+x-2)=[2x\times(x^{2}+x-2)]+[3\times(x^{2}+x-2)]$

$=[(2x\times x^{2})+(2x\times x)-(2x\times 2)]+[(3\times x^{2})+(3\times x)-(3\times 2)]\\\\=[2x^{3}+2x^{2}-4x]+[3x^{2}+3x-6]\\\\=2x^{3}+2x^{2}+3x^{2}-4x+3x-6\\\\=2x^{3}+5x^{2}-x-6$