FYI: 'is to' represents the colon symbol (:)
5:12
?:48
12 times 4 is 48
5 times 4 is 20
what you do to one side you have to do to the other.
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3x+12=x+48: 3x-x=-12+48 2x=36 x=18
12 x 4= 12+12+12+12= 48
x² + 8x - 48 = (x + 12)(x - 4) x² + 8x + 48 = (4+(√32)i)(4-(√32)i)
x = 16 3x = 48 divide both sides by three to get x by itself x=16
The factors of 480 are 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, and 480. The factor pairs of 480 are 1 x 480, 2 x 240, 3 x 160, 4 x 120, 5 x 96, 6 x 80, 8 x 60, 10 x 48, 12 x 40, 15 x 32, 16 x 30, and 20 x 24.