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DanielleElmas [232]
3 years ago
12

Plsss help i need it asap!!!

Mathematics
1 answer:
stepladder [879]3 years ago
5 0

Answer:

C) 7 and 3

Step-by-step explanation:

2x+4+8x-10=x²+15

10x-6=x²+15

0=x²-10x+21

0=(x-3)(x-7)

x=3 and 7

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Step-by-step explanation:

1/2 +4 5/8

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4/8 + 37/8 = 31/8 or 5 1/8

... hope it helps heheh

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3 years ago
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Slav-nsk [51]
To do the scientific notation you would:
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