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3 years ago

9

If using the method of completing the square to solve the quadratic equation, which number would have to be added to “complete t

he square”?
X^2+7x-4=0

1 answer:

Anna11 [10]3 years ago

6 0

The answer is 80 because you add then subtract

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3 years ago

Por favor ayudenme a resolverlo

alukav5142 [94]

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3 years ago

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kipiarov [429]

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4 years ago

50 POINTS HURRY will give brainliest

Reptile [31]

Answer:

Step-by-step explanation:

6x + 5x + 26.5 + 7x - 8 + 4x+21.5+5x+19+10x+13.5 = 720

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x = 17.5

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3 years ago