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Earn +20 ptsQ: Why 5 x -4 equals -20?
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Solve x2 - x equals 20?
-18
Solve x squared - x equals 20?
x2 - x = 20 x2 - x - 20 = 0 (x - 5)(x + 4) = 0 x - 5 = 0 and x + 4 = 0 So, x = 5 ans x = -4
What is the ordered pair of 5x equals 4y equals -20?
5x=4y=-20 x=-4 y=-5 (-4,-5) is the ordered pair
What is 4x equals 20?
4x = 20 x = 5 (divide both sides by 4)
If you know that 4 X 5 equals 20 how can you use the Commutative order property to find 5 X 4?
That's what the communtitive property is, changing the order. like 4+5=9; 5+4=9. So 4x5=20 and 5x4=20.
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