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Earn +20 ptsQ: Simplify the expression -21a plus 2b plus 14a-9b?
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How do you simplify 17a plus 21a plus 45?
17a + 21a + 45 = 38a+ 45
How do you Expand and simplify 3 openbracket 7a-5b closebracket plus 2 open bracket 4a-3b close bracket?
3(7a - 5b) + 2(4a - 3b) Multiply the contents of each bracket by the number outside it: 21a - 15b + 8a - 6b Bring like terms together: 21a + 8a - 15b - 6b Combine like terms: 29a - 21b This cannot be simplified further.
Factor the polynomial 2a4 - 21a3 plus 49a2?
a2(2a2-21a+49) a2(2a-7)(a-7)
What is the GCF of 14ab and 21a?
The GCF is 7a.
What is 7a 4 as the exponent times 3a 2 as the exponent?
It is: 21a exponent 6
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