If x=7y+3 and z=49y2 then what is 'z' in terms of x
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hii user
here's ur answer
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Step-by-step explanation:
x=7y+3
x-3=7y
x-3/7=y (1)
z=49ypower2
z=49×(x-3/7)power2
z=x power 2 + 9 -6x
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