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lora16 [44]
3 years ago
7

Solve for x. 5x^2 – 45 = 0

Mathematics
2 answers:
mamaluj [8]3 years ago
3 0

5x^2-45=0

<em>*Add 45 to both sides*</em>

5x^2=45

<em>*Divide both sides by 5*</em>

x^2=9

<em>*Take the square root of both sides*</em>

x=+/-9

Hope this helps!!

tamaranim1 [39]3 years ago
3 0

Answer:

+-3

Step-by-step explanation:

1. Add 45 to each side: 5x^2=45

2. Divide 5 on each side: x^2=9

3. Square root both sides: x= +-3

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