2d + 11e +8d + 11e = 10d + 22e
To simplify 8d -5 +7d -9d, combine the numbers with the ds and don't forget the -5. 8d + 7d - 9d = 6d Simplified, it is 6d - 5.
Collect like terms: 11c+6d-5c-8d = 6c-2d
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True
2d + 11e +8d + 11e = 10d + 22e
d2 + 8d + 7 = (d + 7) (d + 1)
8d-3d =65 plus work
8d = 5d+18 8d-5d = 18 3d = 18 d = 6
8d of course
3d + 8d - d - 5 = 10d - 5 = 5*(2d - 1)
Expressed algebraically, d + 7d = 8d.
To simplify 8d -5 +7d -9d, combine the numbers with the ds and don't forget the -5. 8d + 7d - 9d = 6d Simplified, it is 6d - 5.
2(5c + 2d)(5c + 2d)
If that's 9a2, the answer is a(a2 - 9a + 3) x(5x2 + 3x - 1) -8d(d2 + 3d + 1)
r3(r - 5d)(r + 8d)
Collect like terms: 11c+6d-5c-8d = 6c-2d