QUESTION IMAGE
Question
2.) \\((8x^4 - 6x) - (7x^3 + 2x^2 - x)\\)
3.) \\((x + 6)(4x - 3)\\)
4.) \\((x - 7)^2 = 25\\)
6.) \\(x^2 - 5x - 36 = 0\\)
Restar los polinomios en la pregunta 2
$$
(8x^4 - 6x) - (7x^3 + 2x^2 - x) = 8x^4 - 7x^3 - 2x^2 - 6x + x = 8x^4 - 7x^3 - 2x^2 - 5x
$$
Multiplicar los binomios en la pregunta 3
$$
(x + 6)(4x - 3) = 4x^2 - 3x + 24x - 18 = 4x^2 + 21x - 18
$$
Resolver las ecuaciones cuadráticas en las preguntas 4 y 6
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Question 2
$$8x^4 - 7x^3 - 2x^2 - 5x$$
Question 3
$$4x^2 + 21x - 18$$
Question 4
$$x = 12, \quad x = 2$$
Question 6
$$x = 9, \quad x = -4$$