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For how many integer values of p does the expression p × p + 4 × p - 3 have a negative value‘? |
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Answer» Step-by-step explanation: р²+4р-3<0 р²+4р-3=0 ,D=28 ,х₁=-2+√7 , х₂ =-2-√7. +++++++(-2-√7)----------(-2+√7)++++++ √7≈2,64 , -2-√7 ≈ - 4,64 , -2+√7≈0,64. р=-4 ,р=-3 ,р=-2 ,р=-1 ,р=0 . |
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