Question

simplify (7x^2y- 3z^2) ( x+y+z) ; x = 1 , y = 1 , z = -1​

Answer 1

Answer:

Answer = 4

Step-by-step explanation:

(7*(1)^2*1-3*(-1)^2)(1+1+(-1))

(7*1*1-3*1)(1+1-1)

(7-3)(1)

4*1

4

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