3 years ago

All of the following expressions are equivalent except _____.

Mathematics

2 answers:

LuckyWell [14K]3 years ago

8 0

4.)-X+7 Hope this answer is useful to you

s2008m [1.1K]3 years ago

4 0

Answer:

1.) x-7

Step-by-step explanation:

hope it helps

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Step-by-step explanation:

We have the following polynomial:

$(4xy-18y^{2})^{2}$

This is a polynomial of the form $(a-b)^{2}=a^{2}-2ab+b^{2}$ . Following this rule to expand it, we have:

$(4xy)^{2}-2(4xy)(18y^{2})+(18y^{2})^{2}$

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Applying common factor $4y^{2}$ :

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Note the polynomial inside the parenthesis is a perfect square trinomial, which can be factored to $(2x-9y)^{2}$ . Hence, the final simplification is:

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