Pre-Algebra Examples

7 x^{2} y^{2} + 12 x y^{2} - 3 x^{2} y + 11

$7 x^{2} y^{2} + 12 x y^{2} - 3 x^{2} y + 11$

4 x y - 13 x^{2} y + 7

$4 x y - 13 x^{2} y + 7$

Step 1

Add the expressions.

7 x^{2} y^{2} + 12 x y^{2} - 3 x^{2} y + 11 + 4 x y - 13 x^{2} y + 7

$7 x^{2} y^{2} + 12 x y^{2} - 3 x^{2} y + 11 + 4 x y - 13 x^{2} y + 7$

Step 2

Subtract

13 x^{2} y

$13 x^{2} y$ from

- 3 x^{2} y

$- 3 x^{2} y$ .

7 x^{2} y^{2} + 12 x y^{2} - 16 x^{2} y + 11 + 4 x y + 7

$7 x^{2} y^{2} + 12 x y^{2} - 16 x^{2} y + 11 + 4 x y + 7$

Step 3

Simplify the expression.

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Step 3.1

Add

11

$11$ and

7

$7$ .

7 x^{2} y^{2} + 12 x y^{2} - 16 x^{2} y + 4 x y + 18

$7 x^{2} y^{2} + 12 x y^{2} - 16 x^{2} y + 4 x y + 18$

Step 3.2

Move

12 x y^{2}

$12 x y^{2}$ .

7 x^{2} y^{2} - 16 x^{2} y + 12 x y^{2} + 4 x y + 18

$7 x^{2} y^{2} - 16 x^{2} y + 12 x y^{2} + 4 x y + 18$

7 x^{2} y^{2} - 16 x^{2} y + 12 x y^{2} + 4 x y + 18

$7 x^{2} y^{2} - 16 x^{2} y + 12 x y^{2} + 4 x y + 18$