Equivalent Expressions

$$7a^2$$

$$2a^2+5a$$

$$a^2+2a+5$$

$$a^2+7a$$

$$7y+5$$

$$7y^2+10y$$

$$7y+16$$

$$3y+4$$

$$2\left(6x+12\right)$$

$$3\left(4x+6\right)$$

$$10x+2x+12$$

$$6\left(2y+4\right)$$

$$5\left(t^2+2t+3\right)$$

$$t\left(5t^2+10t+15\right)$$

$$5\cdot5\cdot t+5\cdot t+3\cdot5$$

$$5t\left(t+10\right)+15$$

$$3e+2e+e$$

$$e^6$$

$$6e$$

$$e^3+e^2+e$$

$$5n^2+1$$

$$5n^2-5$$

$$5n^2$$

$$n\cdot5n$$

$$6\left(2+3m\right)$$

$$\left(2\cdot3\right)\left(3m+2\right)$$

$$2\left(10m+6\right)-2m$$

$$12m+18$$

$$6\left(x+2\right)-6\left(x+2\right)$$

$$1^0$$

$$p^2-p-p$$

$$3\left(y-3\right)+3\left(3-y\right)$$

$$x\left(x+y\right)$$

$$x+y$$

$$\frac{1}{2}\left(2xy\right)$$

$$x\left(y+3x\right)-3x^2$$

$$c\left(c+c+1\right)$$

$$c\left(c+1\right)+1$$

$$\frac{1}{2}\left(2c^2+2c+2\right)$$

$$c^3-c^2+c^2+c+1$$