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anonymous
 one year ago
Plz help :) easy medal
Solve for x 16x2 − 81 = 0.
anonymous
 one year ago
Plz help :) easy medal Solve for x 16x2 − 81 = 0.

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0A. x = 4, 9 B. x = −4, −9 C. x = 9 over 4, x = −9 over 4 D. x = 81 over 16, x = −81 over 16

Nnesha
 one year ago
Best ResponseYou've already chosen the best response.1difference of square \[\huge\rm a^2 b^2= (a+b)(ab)\] take square root of both terms write your answer in two parentheses (square root of first term + sqrt of 2nd term) (sqrt of 1st term  sqrt of 2nd term)

Nnesha
 one year ago
Best ResponseYou've already chosen the best response.1and then set both parentheses equal to zero solve for x!

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0ty for your help :) @Nnesha
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