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

Similar Problems from Web Search

Share

\left(2x\right)^{2}-1^{2}-4\left(x-1\right)
Consider \left(2x-1\right)\left(2x+1\right). Multiplication can be transformed into difference of squares using the rule: \left(a-b\right)\left(a+b\right)=a^{2}-b^{2}.
2^{2}x^{2}-1^{2}-4\left(x-1\right)
Expand \left(2x\right)^{2}.
4x^{2}-1^{2}-4\left(x-1\right)
Calculate 2 to the power of 2 and get 4.
4x^{2}-1-4\left(x-1\right)
Calculate 1 to the power of 2 and get 1.
4x^{2}-1-4x+4
Use the distributive property to multiply -4 by x-1.
4x^{2}+3-4x
Add -1 and 4 to get 3.
\left(2x\right)^{2}-1^{2}-4\left(x-1\right)
Consider \left(2x-1\right)\left(2x+1\right). Multiplication can be transformed into difference of squares using the rule: \left(a-b\right)\left(a+b\right)=a^{2}-b^{2}.
2^{2}x^{2}-1^{2}-4\left(x-1\right)
Expand \left(2x\right)^{2}.
4x^{2}-1^{2}-4\left(x-1\right)
Calculate 2 to the power of 2 and get 4.
4x^{2}-1-4\left(x-1\right)
Calculate 1 to the power of 2 and get 1.
4x^{2}-1-4x+4
Use the distributive property to multiply -4 by x-1.
4x^{2}+3-4x
Add -1 and 4 to get 3.