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Earn +20 ptsQ: How do you factor 2a2 plus 2a minus 84?
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What is 2a to the power of 2 plus 3a to the power of 2?
2a2+3a2 = 5a2
What should be subtracted from a2 -4a2 plus 5a2-6 to obatain a2-2a plus 1?
If I've read your question correctly, you need to subtract: a2 +2a -7 a2 -4a2 +5a2 -6 = 2a2 -6 Note, if x - y = z, then y = x - z; so: 2a2 -6 - (a2 -2a +1) = 2a2 -6 - a2 +2a -1 = a2 +2a -7
Simplify 3a4-2a2 plus 5a-10 - 2a4 plus 4a2 plus 5a-2 equals?
3a4 - 2a2 + 5a - 10 - 2a4 + 4a2 + 5a - 2 = a4 + 2a2 + 10a - 12 = a4 + (2a - 2)(a + 6)
Simplify fully 4a plus 5b minus 2a plus b?
2a+6b
What is 7a plus 3b minus 5a minus 2b minus b?
2a
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