Substituted 65024

Which number should be substituted for the variable and in the equation:

4x2 (7-x) = a-3- (x-2), so that the root of the equation is the number 5?

Correct answer:

a =  206

Step-by-step explanation:

x=5  4 x2 (7x)=a3(x2) 4 52 (75)=a3(52)  a=206



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