cerickson2481
30.11.2020 •
Mathematics
Simply the expression given below (3x^3+4x^2+4x-12)+(-5x^3+9x^2-9x+20)
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Ответ:
1. Simplify: (4x2 - 2x) - (-5x2 - 8x).
Solution:
(4x2 - 2x) - (-5x2 - 8x)
= 4x2 - 2x + 5x2 + 8x.
= 4x2 + 5x2 - 2x + 8x.
= 9x2 + 6x.
= 3x(3x + 2).
3x(3x + 2)
Step-by-step explanation:
Ответ:
true
Step-by-step explanation:
(-3) -(-4.25) = -3 + 4.25 = 1.25 (positive)