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hram777 [196]
3 years ago
7

Help please! Did I answer this correctly?

Mathematics
1 answer:
svlad2 [7]3 years ago
4 0
I think you did, but since you multiplied it by 2 #'s so you exponet is right
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(d) (8x2 + 7y2 – z2 + 2yz + 3xz – 5xy) * (2x – 3y) vertical method<br>​
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Answer:

(8x²+7y²–z²+2yz+3xz–5xy) × ( 2x–3y)

= (16x³+14xy²–2z²x+4yzx+6x²z–10x²y –24yx²–21y³+3z²y–6y²z–9xzy+15xy²)

=( 16x³+29xy²–2z²x–5xyz+6x²z–34x²y–21y³+3z²y–6y²z)

= 16 {x}^{3}  - 21 {y}^{3}  - 2 {z}^{2}x + 3 {z}^{2} y - 5xyz - 6 {y}^{2} z + 6 {x}^{2} z - 34 {x}^{2} y+ 29x {y}^{2}

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3 years ago
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to solve you would have to divide 1 into 8. So using long division the answer would be 0.125

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I need help with this!
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Eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
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