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प्रश्न
Multiply:
− x + y − z and − 2x
योग
उत्तर
(− x + y − z) × −2x
= − x × − 2x + y × − 2x − z × − 2x
= 2x2 − 2xy + 2xz
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Concept for Unknowns Through Examples with Simple Contexts (Single Operations)
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