How do you solve #-9q ^ { 2} + 77= 78#?

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Answer 1 · 2018-04-17T00:10:13

q= +/- (1/3i)

Step 1: Subtract seventy-seven from both sides of the equation

#-9q^2#=1

Step 2: Divide both sides by #nine

#q^2#=#-1/9#

#square root# both sides

there is a #positive# and negative solution

q= +/- #square root#(1/3i)