92x5 = 81x5 = 405.
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5(x^2 + y)
90
When you square a number, you multiply it by itself. So, 9 squared means 9 multiplied by 9, which equals 81. In mathematical notation, 9 squared is written as 9^2 or 9 x 9.
[(5^2) x 2] / [5 + 4] = [25 x 2] / [9] = [50]/9 = 5 and 5/9
9 - 4 =5, 5+36= 41