Need help with this Maths question
https://www.quora.com/profile/Bravewarrior/p-143671992
Here is the question and the solution. Can someone please explain what they did from the 3rd line? Thanks!
Here is the question and the solution. Can someone please explain what they did from the 3rd line? Thanks!
Original post by mqb2766
On the third line they square up both sides, then on line four they expand the square on the left.
Thank you so much!!!
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