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grandymaker [24]
2 years ago
7

Points! Please use inverse operations to help me ;-;

Mathematics
1 answer:
OlgaM077 [116]2 years ago
7 0

1 = 7

2 = 10

sorry i need at least 20 characters for this to post, dont

mind this

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omeli [17]

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3 years ago
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Which is a factor of 144 − 49x2?<br><br> 12 - 7x2<br> 72 – 7x2<br> 12 – 7x<br> 72 + 7x
Vinil7 [7]

Answer:

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Step-by-step explanation:

144 − 49x²

by observation, we can see that 144 = 12² and 49 = 7²

hence we can rewrite the equation

144 − 49x²

= 12² - 7²x²

= 12² - (7x)²

recall that the expression x² - y² = (x+y)(x-y)

hence,

12² - (7x)²

= (12 + 7x)(12-7x)

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