Question

7. Subtract:
(i) 6x(x - y + z) – 3y(x + y - z) from 22(-x + y + z)
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Answer 1

Step-by-step

$\mathtt{\huge{\underline{\red{Answer\: :}}}}$

${6x}^{2} - 6xy + 6xz - 3xy - {3y}^{2} + 3yz$

$- 22x + 22y + 22z - ( {6x}^{2} - 9xy + 6xz - {3y}^{2} + 3yz$

$- 22x + 22y + 22z - 6 {x}^{2} + 9xy - 6xz + 3 {y}^{2} - 3yz$

$- 6 {x}^{2} + 9xy - 6xz - 3yz + 22y - 22x + 22z$