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Integers — MATHS STD 7 — Question

Gujarat BoardEnglish MediumSTD 7MATHSIntegers2 Marks
Question
Evaluate the following, using distributive property. $53 \times (-9) - (-109) \times 53$
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Answer

$53 \times (-9) - (-1.9) \times 53$
Taking $53$ as common, $= 53 \times (-9 + 109)$
$ [\because a \times b + a \times c = a \times (b + c)]$
$= 53 \times 100 = 5300$

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