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OleMash [197]
3 years ago
11

Solve the equation by graphing. - x2 = 8x + 20

Mathematics
1 answer:
kati45 [8]3 years ago
4 0

Answer: No real solutions.

Step-by-step explanation: −x2=8x+20

Step 1: Subtract8x+20  from both sides.

−x2−(8x+20)=8x+20−(8x+20)

−x2−8x−20=0

For this equation: a=-1, b=-8, c=-20

−1x2+−8x+−20=0

Step 2: Use quadratic formula with a=-1, b=-8, c=-20

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