Question

(vii) (528)² – (328) algebraic expression using identity, evaluate the following
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Answer 1

Answer:

278784 - 107584

171290

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Answer 2

Answer:

171200

Step-by-step explanation:

$a ^{2} - b ^{2} = (a + b)(a - b)$

$= (528 + 328)(528 - 328)$

$856 \times 200$

$= 171200$