Multiply (7x+3y)(2x-5y)
Answers
Answered by
2
Answer:
30x2y2
Step-by-step explanation:
(a2-b2)=(a+b)(a-b)
=(7x+3y)(2x-5y)
=10xy × 3xy
=30x2y2
Answered by
5
= 7x ( 2x + 5y ) + 3y ( 2x- 5y )
= 14x + 35xy + 6xy - 15 y²
= 15 y² + 35 xy + 6xy + 14 x
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