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

Similar Problems from Web Search

Share

3\left(x^{2}-4x+4\right)-\left(2y\right)^{2}-z^{2}
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(x-2\right)^{2}.
3x^{2}-12x+12-\left(2y\right)^{2}-z^{2}
Use the distributive property to multiply 3 by x^{2}-4x+4.
3x^{2}-12x+12-2^{2}y^{2}-z^{2}
Expand \left(2y\right)^{2}.
3x^{2}-12x+12-4y^{2}-z^{2}
Calculate 2 to the power of 2 and get 4.
3\left(x^{2}-4x+4\right)-\left(2y\right)^{2}-z^{2}
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(x-2\right)^{2}.
3x^{2}-12x+12-\left(2y\right)^{2}-z^{2}
Use the distributive property to multiply 3 by x^{2}-4x+4.
3x^{2}-12x+12-2^{2}y^{2}-z^{2}
Expand \left(2y\right)^{2}.
3x^{2}-12x+12-4y^{2}-z^{2}
Calculate 2 to the power of 2 and get 4.