Mathematics
Mathematics, 22.08.2019 18:20, neazisa

The text recommends simplifying an expression (combining like terms) before evaluating. do you think this is necessary? evaluate the expression 4x^2-5(x+2)+3x+10+2x for x=3: a. by substituting and then evaluating b. by fist simplifying and then evaluating. which method would you recommend? why?

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