Answer:
Expand((5⋅x−6)2)
=62+2⋅(−6⋅5⋅x)+(5⋅x)2
=36−60⋅x+25⋅x2
(5x-6)²=25x²-60x+36
Explanation:
We use: (a-b)²=a²-2ab+b².
Thus we get
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