Question

simplify the sum .
useless answers will be reported.
please help me friends fast !​

Answer 1

Answer:

$x ^{2} y {3} z \times 7 {x}^{3 {y}^{ - 3} } {z}^{2 \times ( - \frac{1}{8} {x}^{2} } {y}^{8} ) \\ 7 {x}^{2 + 3} {y}^{3 - 3} {z}^{1 + 2} \times - \frac{1}{8} {x}^{2} {y}^{8} \\ - \frac{7}{8} {x}^{5 + 2} {y}^{0 + 8} {z}^{3} \\ - \frac{7}{8} {x}^{7} {y}^{8} {z}^{3}$

here is your answer

Answer 2

Answer:

$</p><p>y3z×7x3y−3z2×(−81x2y8)7x2+3y3−3z1+2×−81x2y8−87x5+2y0+8z3−87x7y8z3</p><p></p><p></p><p>$