Question

subtract
(a)-5a²+4ab-2b from 5a² +4ab-3b²​

Answer 1

Step-by-step explanation:

(a) -5a²+ 4ab - 2b from 5a² + 4ab - 3b²

= 5a² + 4ab - 3b² - (-5a²+ 4ab - 2b)

= 5a² + 4ab - 3b² + 5a² - 4ab + 2b

= 5a² + 5a² + 4ab - 4ab - 3b² + 2b

= 10a² - 3b² + 2b

Answer 2

Answer:

$( {5a}^{2} + 4ab - {3b }^{2} ) - ( - {5a}^{2} + 4ab - 2b) \\ = ( {5a}^{2} +4ab− {3b}^{2} + {5a}^{2} - 4ab + 2b) \\ = {5a}^{2} + {5a}^{2} + 4ab - 4ab - {3b}^{2} + 2b \\ = {10a}^{2} - {3b}^{2} + 2b$

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