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Q: What is Factorise 2a plus 4b plus 8?

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9a +8 -2a -3 -5a = 2a +5

2a*3 = 8+4a 6a = 8+4a 6a-4a = 8 2a = 8 a = 4

this is an expression. if you let it equal something you can find (a)2a + 8 = 4a = -2or you could do2a + 8 = 106a = 49It is 2a + 8.

j

(y - 8)(y - 2)

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2a + 4b + 8c = 2(a + 2b + 4c) You could also continue by factoring the inside of the parentheses a bit: 2a + 4b + 8c = 2(a + 2b + 4c) = 2(a + 2[b + 2c])

9a +8 -2a -3 -5a = 2a +5

9a +8 -2a -3 -5a = 2a +5

-7+3b = 4b-8 3b-4b = -8+7 -b = -1 b = 1

2a+12=8 2a=-4 a=-2 So a is -2.

-2b+8-4b = -5-11b+7 -2b-4b+11b = -5+7-8 5b = -6 b = -6/5

2a*3 = 8+4a 6a = 8+4a 6a-4a = 8 2a = 8 a = 4

2a = 8 + 4aSubtract 8 from each side:2a - 8 = 4aSubtract 2a from each side:-8 = 2aDivide each side by 2:-4 = a

this is an expression. if you let it equal something you can find (a)2a + 8 = 4a = -2or you could do2a + 8 = 106a = 49It is 2a + 8.

j

2a + 10 + 5a - 2 = (2a + 5a) + (10 - 2) = 7a + 8

(5a+8) - (2a+4) =3a +4 To do this, simply subtract like terms. 5a-2a=3a and 8-4=4

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