What is the answer to -4.2×+31.5=-65.1
1 answer:
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Answer:
HELLO I am tried to solve your question and I found 2 answer
Step-by-step explanation:
firstly we need discriminant to find x values.
you know we use b²-4ac formule to find discriminant
and this value (-3)²-[4*√2*(-2√2)]=-7 this means X hasn't reel value. let's continue.. if we want to find x value we use disc. and [-b±√∆]/2a one x value is [3+√7i]/2√2. and other is [3-√7i]/2√2
