Solve the equation 25z2 + 140 = −29 by using square roots.
2 answers:
Answer:
<u>z</u><u> </u><u>is</u><u> </u><u>1</u><u>3</u><u>i</u><u>/</u><u>5</u>
Step-by-step explanation:

Answer:
13i/5
Step-by-step explanation:
25z^2+140=-29 subtract 140 from both sides
25z^2=-169 now square root both sides.
=
a negative root forms i
5z=13i
z=13i/5
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