Skip to main content
Evaluate
Tick mark Image
Expand
Tick mark Image
Graph

Similar Problems from Web Search

Share

3x^{2}-2x-1+\left(x+1\right)^{2}
Use the distributive property to multiply 3x+1 by x-1 and combine like terms.
3x^{2}-2x-1+x^{2}+2x+1
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(x+1\right)^{2}.
4x^{2}-2x-1+2x+1
Combine 3x^{2} and x^{2} to get 4x^{2}.
4x^{2}-1+1
Combine -2x and 2x to get 0.
4x^{2}
Add -1 and 1 to get 0.
3x^{2}-2x-1+\left(x+1\right)^{2}
Use the distributive property to multiply 3x+1 by x-1 and combine like terms.
3x^{2}-2x-1+x^{2}+2x+1
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(x+1\right)^{2}.
4x^{2}-2x-1+2x+1
Combine 3x^{2} and x^{2} to get 4x^{2}.
4x^{2}-1+1
Combine -2x and 2x to get 0.
4x^{2}
Add -1 and 1 to get 0.