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Multiply: (4x + 5y) × (9x + 7y) - Mathematics

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प्रश्न

Multiply:

(4x + 5y) × (9x + 7y)

योग
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उत्तर

(4x + 5y) × (9x + 7y)

= 4x(9x + 7y) + 5y(9x + 7y)

= 4x × 9x + 4x × 7y + 5y × 9x + 5y × 7y

= 36x2 + 28xy + 45xy + 35y2

= 36x2 + 73xy + 35y2

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  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 8: Algebraic Expressions and Operations on Them - Practice Set 35 [पृष्ठ ५९]

APPEARS IN

बालभारती Mathematics [English] Standard 7 Maharashtra State Board
अध्याय 8 Algebraic Expressions and Operations on Them
Practice Set 35 | Q 1.4 | पृष्ठ ५९
बालभारती Mathematics Integrated [English] Standard 7 Maharashtra State Board
अध्याय 8 Algebraic Expressions and Operations on them
Practice Set 35 | Q 1. (iv) | पृष्ठ ७२
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