Matemática: Expressões e Geometria

$$(x + 3)^2$$

$$(x - 3)(x + 3)$$

$$(x - 9)(x + 1)$$

$$x(x - 9)$$

$$x = 4$$

$$x = 5$$

$$x = 3$$

$$x = 8$$

$$30$$ cm²

$$60$$ cm²

$$16$$ cm²

$$36$$ cm²

$$(x + 2)(x + 3)$$

$$(x + 1)(x + 6)$$

$$(x - 2)(x - 3)$$

$$(x + 6)(x - 1)$$

$$x = 8$$

$$x = 6$$

$$x = 7$$

$$x = 9$$

$$90^\circ$$

$$180^\circ$$

$$360^\circ$$

$$270^\circ$$

$$49$$ cm²

$$14$$ cm²

$$21$$ cm²

$$28$$ cm²

$$x(x - 4)$$

$$(x - 2)^2$$

$$(x + 4)(x - 1)$$

$$x^2 - 2x$$

$$x = 5$$

$$x = 7$$

$$x = 6$$

$$x = 8$$

$$a^2 + b^2 = c^2$$

$$a + b = c$$

$$a^2 - b^2 = c^2$$

$$a^2 + b^2 = 2c$$