4. Subtract
(i) 5x from 2x
(iii) 10x² from - 7x²
(ii) -7x from 9y
(iv) a² - b² from b²-a²
Answers
Answered by
3
Answer:
2x-5x: -3x
-7x-10x…17x2
9y+7x
+a2
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