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Solve the quadratic equationx²+ 7 x - 2 = 0 |
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Answer» Answer: x= 2a −b± b −4ac
x= 2×1 −(+7)± 7 2 −4×1×12
x= 2 −7± 49−48
x= 2 −7±1
x= 2 −7+1
or x= 2 −7−1
x=−3 or x=−4 Step-by-step explanation: FOLLOW ME PLEASE >︵< |
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