Solve the following incomplete quadratic equations according to their corresponding procedure. a) 3x²-12=0. b) 4x²-x=0. c) x²-49=0. d) -6x²-30=0
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Step-by-step explanation:
a)3x²-12=0
=>3x²=12
=>x²=12/3
=>x²=4
therefore x=2
b)4x²-x=0
=>4x²=x
=>x²=x/4
=>x²/x=4
=>x=4
c)x²-49=0
=>x²=49
=>x=7
d)-6x²-30=0
=>-6x²=30
=>x²=30+6
=>x²=36
=>x=6
hope it helps you
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