Question

please answer the question 3 and 4

Answer 1

3.i.
$- 2 {x}^{3} yz$
ii.
${x}^{17}$
iii.
$\frac{ - {x}^{4} {y}^{4} }{4}$
4.i.
$2 {x}^{2} y + 2x {y}^{2}$
ii.
$- 3 {x}^{3} - 9 {x}^{2}$
iii.
$- 25 {x}^{2} {y}^{2} - 35 {x}^{2} {y}^{3}$
iv.
$- 56 {x}^{4 } + 16 {x}^{3} y$
v.
${p}^{2} qr + p {q}^{2} r$
vi.
$42 {a}^{4} b - 7a {b}^{3}$
pls mark brainliest

Answer 2

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