1.Multiply: (3x + 4y) (4x - 3y)
2.Add: (2x + 3y) (4y - x) (x - 7y)
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Answered by
1
Answer:
this is right answer
Step-by-step explanation:
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Silky23:
Thank you!
Answered by
1
Answer:
1. 12x²-5xy-12y² 2. 2x
Step-by-step explanation:
Hope these answers help you my friend...
1. (3x+4y)(4x-3y)
= 3x(4x-3y)+4y(4x-3y)
= 12x²-9xy+4xy-12y²
= 12x²-5xy-12y²
2. (2x+3y)+(4y-x)+(x-7y)
= 2x+3y+4y-x+x-7y
= 2x+7y-7y
= 2x
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