1.

Fill in the blanks to make the statement true.3x + 23x2 + 6y2 + 2x + y2 + ____________ = 5x + 7y2.

Answer»

3x + 23x2 + 6y2 + 2x + y2 + (-23x2) = 5x + 7y2.

Let us consider the missing letter be p.

Then,

3x + 23x2 + 6y2 + 2x + y2 + p = 5x + 7y2

By transposing 3x, 23x2, 6y2, 2x and y2 to RHS

5x – 3x – 23x2 + 7y2 – 6y2 – 2x – y2 = p

2x – 2x – 23x2 + y2 – y2 = p

P = 0 – 23x2 – 0

P = – 23x2



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