Evaluate
-\frac{\left(x+3\right)^{2}}{5}+1
Expand
\frac{-x^{2}-6x-4}{5}
Graph
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-0.2\left(x^{2}+6x+9\right)+1
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(x+3\right)^{2}.
-0.2x^{2}-1.2x-1.8+1
Use the distributive property to multiply -0.2 by x^{2}+6x+9.
-0.2x^{2}-1.2x-0.8
Add -1.8 and 1 to get -0.8.
-0.2\left(x^{2}+6x+9\right)+1
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(x+3\right)^{2}.
-0.2x^{2}-1.2x-1.8+1
Use the distributive property to multiply -0.2 by x^{2}+6x+9.
-0.2x^{2}-1.2x-0.8
Add -1.8 and 1 to get -0.8.
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y = 3x + 4
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Matrix
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Simultaneous equation
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Integration
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Limits
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