Expand and simplify. Please show all steps!
(2x-1)^2 -3(1-2y)(1+2y)
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terms and multiply it out: ... cos(x+y)cos(x-y)=(cosxcosy)^ 2+sinxsinycosxcosy- ... sin^2y+cos^2y=1 and sin^2x+cos^2x=1 ... Can you
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Answer:
4x2+12y2−4x−2
Step-by-step explanation:
Let's simplify step-by-step.
(2x−1)2−3(1−2y)(1+2y)
Distribute:
=4x2+−4x+1+12y2+−3
Combine Like Terms:
=4x2+−4x+1+12y2+−3
=(4x2)+(12y2)+(−4x)+(1+−3)
=4x2+12y2+−4x+−2
Answer:
=4x2+12y2−4x−2
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