Let a = 3; x = 2 b) y = a * x * x * ( x + 7 )​

y = a*x*x*(x+7)

y = 3×2×2×(2+7)

y = 3×2×2×9

y = 108 Answer

Step-by-step explanation:

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SO y= 3*2*2*(2+7)

step one=  3 times 2 times 2 times 12

step two= 12(2+7) distribute 12 times 2 and 7

step four=  24 + 84= 108

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b

step-by-step explanation: