ʜᴏᴡ ᴡᴇ ᴜsᴇ ᴛʜɪs ɪᴅ ᴏʀ ᴄᴏᴅᴇ...??
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How to solve your problem
2−7+12=0
Quadratic formula
Factor
1
Use the quadratic formula
=−±2−4√2
Once in standard form, identify a, b and c from the original equation and plug them into the quadratic formula.
2−7+12=0
=1
=−7
=12
=−(−7)±(−7)2−4⋅1⋅12√2⋅1
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plz answer step by step class 8
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