You simply substitute 1 for x in the expression: 4*(1)2 + 5*(1) = 4 + 5 = 9
Michelle A.
asked 11/30/18what is the value of 4x² + 5x when x=1
The thing is I dont know how to do this my teacher never taught me this because I wasnt at school when my classmates learned how to do this. PLZ HELP!!!!!!
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