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Lelu [443]
3 years ago
13

The square of a number minus the number = 20, Can You form a quadratic equation and factorise it?

Mathematics
1 answer:
frosja888 [35]3 years ago
7 0
Yes you can ... here is an example x^2-x=20,   x^2-X-20  factored is (x-5)(x+4)
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Answer:

y=3x+12, i d k, and i d k im sorry

Step-by-step explanation:

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What is the greatest whole number that rounds to 54’300
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4 years ago
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How to factorize this: <img src="https://tex.z-dn.net/?f=x%5E2-4x-5" id="TexFormula1" title="x^2-4x-5" alt="x^2-4x-5" align="abs
Vinil7 [7]
Ax^2 + bx + c
a = 1
b = -4
c = -5
x^2 -4x-5

-5x1 = -5
-5+1 = -4
(factors of c that also add up to b)

ANSWER: (x-5) (x+1)
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Zigmanuir [339]
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