Question

ADD
(iii) 5b2, -3b2(2 is square)
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Answer 1

Step-by-step explanation:

${5b}^{2} + {( - 3b)}^{2} \\ = {5b}^{2} - {3b}^{2} \\ = {2b}^{2}$

Answer 2

(iii) 5b² - 3b²

= 2b²

(i hope it helps you)