How to solve this equation involving radicals.
8x(x – 6)1/2 + 4(x – 6)3/2 = 0
1 answer:
8x(x - 6)1/2 + 4(x - 6)3/2 = 0 8x(x) - 8x(6)1/2 + 4(x) - 4(6)3/2 = 0 8x² - 48x(1/2) + 4x - 24(3/2) = 0 8x² - 24x + 4x - 36 = 0 8x² - 20x - 36 = 0 x = <u>-(-20) +/- √((-20²) - 4(8)(-36))</u> 2(8) x = <u>20 +/- √(400 + 1152)</u> 16 x =<u> 20 +/- √1552</u> 16 x = <u>20 +/- √(16 × 97)</u> 16 x = <u>20 +/- √16 √97 </u> 16<u> </u>x = <u>20 +/- 4 √97 </u> 16 x = <u>20 +/- 4(9.848857802)</u> 16 x = <u>20 +/- 39.39543121</u> 16 x = <u>20 + 39.39543121</u> x = <u>20 - 39.39543121</u> 16 16 x = <u>59.39543121</u> x = <u>-19.39543121</u> 16 16 x = 3.71221445 x = -1.212214451 <u />
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