Find the roots of the following
x²+4x+3=0
x²-5x+4=0
x²-49=0
4x²-25=0
2x²+7x+3=0
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Find the roots of the following
x²+4x+3=0
x²-5x+4=0
x²-49=0
4x²-25=0
2x²+7x+3=0
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Answer:
----x²-49+49=0+49
----x² = 49
---- find the square roots
=x= + or - 7