Asked by Jack

Use square roots to solve these equations. Round to the nearest hundredth if necessary.

5x^2 + 536 = 651.

Also,problem 2: 3z^2 + 52 = -56
Answered by Damon
5 x^2 = 651-536 = 115

x^2 = 23
x = +/- sqrt 23 = +/- 4.80
Answered by Damon
3 z^2 = -108
z^2 = -36
z = +/-6 sqrt -1
= +/- 6i
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