2 years ago

2x squared plus negative 5 - 10 equals zero

2 answers:

8 0

2x² + (-5) - 10 = =
2x² - 5 - 10 = 0
2x² - 15 = 0
<u>   + 15 + 15</u>
   <u>2x²</u> = <u>15</u>
   2 2
   x² = 7.5
      x ≈ 2.74

7 0

X² will be 7.5 i think the person who answered it below did a very good job congratulation

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