Solve for A
A=-\left(x^{2}+4x+25\right)
Solve for x (complex solution)
x=-\sqrt{-A-21}-2
x=\sqrt{-A-21}-2
Solve for x
x=-\sqrt{-A-21}-2
x=\sqrt{-A-21}-2\text{, }A\leq -21
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A=4x^{2}-25-7x+3x-5x^{2}
Subtract 14 from -11 to get -25.
A=4x^{2}-25-4x-5x^{2}
Combine -7x and 3x to get -4x.
A=-x^{2}-25-4x
Combine 4x^{2} and -5x^{2} to get -x^{2}.
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