Multiply: ( 4x + 5y) X (5x + 7y)
Answers
Answered by
3
Answer:
20xsq. ,35ysq.
Step-by-step explanation:
4x multiply by 5x and 5y multiply by 7y
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Answered by
16
Answer:
(4x + 5y) × (5x + 7y)
= 4x ( 5x+7y ) + 5y ( 5x+7y )
= 4x × 5x + 4x ×7y + 5y × 5x + 5y × 7y
= 20x² + 28xy + 25xy + 35y²
= 20x² + 53xy + 35y²
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