please tell answer.
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Can't solve the whole !
Step-by-step explanation:
1).a). (3x- 2y)²
Formula Used = (a- b)= a²+ b²- 2ab
2)a). (5p)² - (6q)²= (5p+6q)(5p-6q)
Formula used* = a² - b²=(a+b)(a-b)
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