3 years ago

How do I factorise an expression

Mathematics

1 answer:

ololo11 [35]3 years ago

3 0

It factorises to -
4(x+6)

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First divide 29.79 feet by 6
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3 years ago

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Answer:

[-7,∞)

Step-by-step explanation:

This function is a parabola that has a positive coefficient, so the parabola will open upwards (or make a smile if you want to call it that). The vertex is located at (2,-7) because of the vertex equation, so you know that the y values are greater than or equal to -7.

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3 years ago

Producer of <img src="https://tex.z-dn.net/?f=x%5E%7B2%7D%20-4x-21" id="TexFormula1" title="x^{2} -4x-21" alt="x^{2} -4x-21" ali

tamaranim1 [39]

Answer:

(x - 7)(x + 3)

Explanation:

$\rightarrow \sf x^2 - 4x - 21$