irdk
Solve this problem -x squared -40x- 80 =0
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If x equals the square root of ...., then you already have solved for x
If a equals 3 and b equals minus 5 then a minus b equals what
n=-4/3
40
k = 129
7
It is: 32.35 minus 10.63 equals 21.72
1566 = x
15x minus 8=minus 180 3x+8=24
Solve this problem -x squared -40x- 80 =0
Solve using the quadratic formula
minus 5
(-1/6) - 2/3 = -0.8333333332
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51 + 2z + 8z = 23 Collect 'like terms' 51 + 10z = 23 Subtract '51' from both sides 10z = 23 - 51 = -28 z = -28 /10 z = - 2.8 NB However, you have NOT indicated the mathematical signs !!!!!