Question

solve the following equation using quadratic formula y square - 14 Y - 12 is equal to zero​

Answer 1

y²-14y-12

y = [ -(b) +-√(b²-4ac) ]/2a

y = [ -(-14) +- √( -14² -4×1×-12)]/2×1

y = [ 14 +- √ ( 196 + 48)]/2

y = [ 14 +- √244]/2

y = ( 14 +- 2√61 )/2

y = 2(7 +- √61)/2

y = 7 +- √61

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