Question

(7x?y - 322) (x + y + z) ; x = 1, y = 1, Z=-1 21. h 1​

Answer 1

Answer:

$\left(7\times \:1\times \:1-322\right)\left(1+1+\left(-1\right)\right)=-315$

Step-by-step explanation:

$=-315\left(1+1+\left(-1\right)\right)$

$=-315\times \:1$

$=-315$