Algebra Examples

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

Step 1

Combine the opposite terms in $- 4 y + 7 y^{2} + 7 x - x + 3 y + x - 4 y$ .

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Step 1.1

Add $- x$ and $x$ .

$- 4 y + 7 y^{2} + 7 x + 3 y + 0 - 4 y$

Step 1.2

Add $- 4 y + 7 y^{2} + 7 x + 3 y$ and $0$ .

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

Step 2

Add $- 4 y$ and $3 y$ .

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

Step 3

Subtract $4 y$ from $- y$ .

$7 y^{2} + 7 x - 5 y$