3 years ago

Please Help!!!! Find the value of x if necessary round to the nearest tenth.

Mathematics

1 answer:

pantera1 [17]3 years ago

3 0

Answer:

x=6

Step-by-step explanation:

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<h3><u>Solution:</u></h3>

Given that square has side length (x+5) units

To find: area of square

<em><u>The area of square is given as:</u></em>

$\text {Area of square }=\mathrm{a}^{2}$

Where "a" is the length of side

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Substituting the value in above formula,

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${\text {Expanding }(x+5)^{2} \text { using the algebraic identity: }} \\\\ {(a+b)^{2}=a^{2}+2 a b+b^{2}}\end{array}$

$\begin{array}{l}{\text {Area of square }=x^{2}+2(x)(5)+5^{2}} \\\\ {\text {Area of square }=x^{2}+10 x+25}\end{array}$

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