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Alla [95]
3 years ago
14

How to solve (x - 4) (x +5)

Mathematics
1 answer:
iVinArrow [24]3 years ago
3 0

Answer:

x^{2}+x  - 20

Step-by-step explanation:

(x+ -4)(x+5)

(x)(x)+(x)(5)+(-4)(x)+(-4)(5)

x^{2} + 5x - 4x - 20

Math Papa is a great app to use if you need help with algebra :)

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Step-by-step explanation:

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Answer:

1. 8

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Step-by-step explanation:

3a explanation:

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3 years ago
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Vlad1618 [11]

Answer:

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Step-by-step explanation:

4 Squares of 9 are shaded = 4/9

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