Grade 10 Math: Quadratic Equations, Graphs, and More Multiplying Polynomials

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Expand the following equation: $$(3x+2)(4x-5)$$

$$12x^2-7x-5$
$$12x^2-5x-10$$
$$3x^2-7x-10$$
$$12x^2-7x-10$$
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Expand the following equation: $$(2x+7)(5x-2)$$

$$10x^2+31x-14$$
$$10x^2+31x+14$$
$$10x^2-31x-14$$
$$x^2+31x-14$$
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Expand the following equation: $$(x-4)(3x-y+3)$$

$$3x^2-xy-9x+4y+12$$
$$3x^2-xy-9x+4y-12$$
$$3x^2-9x+4y-12$$
$$3x^2+xy+9x+4y-12$$
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Expand the following equation: $$(3x - 4y)(-2x + 5y - 6)$$

$$-6x^2 + 23xy - 18x - 20y^2 + 24y$$
$$-6x^2 + 15xy - 18x - 20y^2 + 24y$$
$$-6x^2 + 23xy + 18x - 20y^2 + 24y$$
$$-6x^2 + 23xy - 18x - 20y^2 - 24y$$
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Expand the following equation: $$(2y - 1)(2y + 1)(4y^2 + 1)$$

$$16y^4$$
$$y^4 - 1$$
$$16y^4 - 1$$
$$16y^4 + 1$$
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Expand the following equation: $$(3x - 2)(2x + 3)(2x - 3)$$

$$12x^3 - 8x^2 - 27x + 18$$
$$12x^3 + 8x^2 - 27x + 18$$
$$12x^3 - 8x^2+ 27x + 18$$
$$12x^3 +8x^2 + 27x + 18$$
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Expand the following equation: $$(2y^2 - 9)(y + 3)(y - 3)$$

$$2y^4 - 27y^2 + 72$$
$$2y^4 - 27y^2 + 81$$
$$2y^4 - 18y^2 + 81$$
$$4y^4 - 27y^2 + 81$$
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Expand the following equation: $$((3a - 4b + 1)(2a + 5b - 3)$$

$$6a^2 - 20b^2 + 7ab - 7a - 17b - 3$$
$$6a^2 - 20b^2 - 7a + 17b - 3$$
$$6a^2 - 10b^2 + 7ab - 7a + 17b - 3$$
$$6a^2 - 20b^2 + 7ab - 7a + 17b - 3$$
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