Skip to main content
Solve for Σ
Tick mark Image
Solve for x (complex solution)
Tick mark Image
Solve for x
Tick mark Image
Graph

Similar Problems from Web Search

Share

Σ\left(x^{2}-90x+2025\right)=3089
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(x-45\right)^{2}.
Σx^{2}-90Σx+2025Σ=3089
Use the distributive property to multiply Σ by x^{2}-90x+2025.
\left(x^{2}-90x+2025\right)Σ=3089
Combine all terms containing Σ.
\frac{\left(x^{2}-90x+2025\right)Σ}{x^{2}-90x+2025}=\frac{3089}{x^{2}-90x+2025}
Divide both sides by x^{2}-90x+2025.
Σ=\frac{3089}{x^{2}-90x+2025}
Dividing by x^{2}-90x+2025 undoes the multiplication by x^{2}-90x+2025.
Σ=\frac{3089}{\left(x-45\right)^{2}}
Divide 3089 by x^{2}-90x+2025.