x²+6x+5=0?give the solution and checking
Answer (1)
1 × 5 =5 and 1 + 5 =6 x²+6x+5= (x+1) (x+5) =0x+1 = 0 or x+5= 0x= −1 or x= −5Checking= −1 (−1)²+6(−1)+5=1−6+5=0x= −5(−5)²+6(−5)+5=25−30+5=0
1 × 5 =5 and 1 + 5 =6 x²+6x+5= (x+1) (x+5) =0x+1 = 0 or x+5= 0x= −1 or x= −5Checking= −1 (−1)²+6(−1)+5=1−6+5=0x= −5(−5)²+6(−5)+5=25−30+5=0
