-870
180, -150
90, -60
75, -45
60, -30
50, -20
45, -15
36, -6
-30 and -30
The numbers are: 30 and -30
-117
30 x 30
-900
30
30^2 (30 x 30) is equal to 900.
They are: 30*30 = 900
40 + 15 60 - 5 30 + 25 75 - 20
900 centimeters is 29 feet and 6.33 inches.
The factors of (x2 + 11x + 30) are (X + 5) and (x + 6)You want to look for two numbers, when multiplied equal 30, and when added equal 11. Start with factors of 30, and see what they add to: 5+6=11, and 5*6=30.
900 can be factorized as 30*30. As both these factors are same so we call 900 to be a perfect square.