quadratic formula:
x = <u>-b ± √(b² - 4ac)</u>
2a
7x² - x = 7
subtract 7 from both sides:
7x² - x - 7 = 0
plug values into the quadratic formula:
x = <u>-(-1) ± √((-1)²- 4(7)(-7))</u>
2(7)
simplify:
x = <u>1 ± √(197)</u>
14
It might be hard at first to find the hundreds place. The answer is C:722,357,000
Five exterior angles of a hexagon are 41° 32°,67º 71°, and 55°, What is the measure of the sixth exterior
angle
Can yo help me w this
15 I believe.. I could be wrong bc idk if youre adding the A's to the ratio or starting at 0
4x(3x + 8) - 7y(5x - 1) =
12x^2 + 32x - 35xy + 7y