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Earn +20 ptsQ: 4a2 - 8a - 5 Factor completely?
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4a squared minus 9a plus 5?
4a2 - 9a + 5 = 4a2 - 4a -5a + 5 = 4a(a - 1) - 5(a - 1) = (4a - 5)(a - 1)
What is 8a-3b?
8a-3b = 5
What is the factor 2a3 -16a2 plus 30a?
2a3-16a2+30a Factor out 2a: 2a(a2-8a+15) (2a)(a-5)(a-3) This is the most factored form of this expression.
12(8a plus 28) plus 2a plus 5?
12(8a + 28) + 2a + 5 84a + 336 + 2a + 5 86a + 341
If 8a equals 40 then what number is 2a-4?
If 8a = 40 then a must = 5So: 2*5-4 = 6
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