Answered

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Select the correct choice below and fill in any answer boxes in your choice.

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Sagot :

Given the equation:

[tex](x+7)(x-2)=(x+1)^2[/tex]

We will solve the equation as follows:

[tex]\begin{gathered} (x+7)(x-2)=(x+1)(x+1) \\ x(x-2)+7(x-2)=x(x+1)+1\cdot(x+1) \\ x^2-2x+7x-14=x^2+x+x+1 \\ x^2+5x-14=x^2+2x+1 \end{gathered}[/tex]

Combine the like terms:

[tex]\begin{gathered} x^2-x^2+5x-2x=14+1 \\ 3x=15 \\ x=\frac{15}{3} \\ x=5 \end{gathered}[/tex]

So, the answer will be option A:

The solution set is {5}

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