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Q: What is 28xy to the second power?

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gcd of 5ab,28xy

84x2y2

2x2 + 28xy + 98y2 = 2(x + 7)2.

(4x2)+ (28xy) + (49y2) = (2x + 7y)(2x + 7y) = (2x + 7y)2

98

(4x + 7y)(16x2 - 28xy + 49y2)

The expression -28x+35 is equivalent to 7y(-4x+5)

2a to the second power. If you combine the like terms, (a to the second power + a to the second power), it would be the same as 2a to the second power.

If you mean 7 times 4y then it is 28y If you mean 7x times 4y then it is 28xy

The LCM of 28 and 42 is 84. Since y2 and x2 are multiples of y and x respectively, they are automatically the LCM. That makes the answer 84x2y2

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36y to the second power

The exponent is 2 - from the SECOND power.

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5 to the second power = 5*5 = 25

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