(3x+4y)*(7y+5x)
multiply
Answers
Answered by
1
Answer:
=21xy+15x²+28y²+20xy
= 15x²+41xy+28y²
Answered by
0
Answer:
15x²+28y²+41xy
Step-by-step explanation:
- (3x+4y)*(7y+5x)
- = 3x*(5x+7y) + 4y*(5x+7y)
- = 15x² + 21xy + 20xy + 28y²
- = 15x² + 28y² + 41xy
HOPE IT HELP'S YOU
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