3 years ago

Multiply (2x - 5y)^2

1 answer:

3 0

$(2x-5y)^2=(2x-5y)(2x-5y)\\\\=(2x)(2x)+(2x)(-5y)-(5y)(2x)-(5y)(-5y)\\\\=4x^2-10xy-10xy+25y^2=4x^2-20xy+25x^2\\\\or\ use:(a-b)^2=a^2-2ab+b^2\\\\(2x-5y)^2=(2x)^2-(2x)(5y)+(5y)^2=4x^2-10xy+25y^2$

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Select the graph of the solution. Click until the correct graph appears.<br><br> | x | + 1 < 3

Marat540 [252]

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The graph of the equation is attached in the figure below

Step-by-step explanation:

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The graph of the equation is attached in the figure below.

Keywords: Solving inequalities by Graphs

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