![3x^2-2xy+4y^2\\[Substitute the values.]3(5)^2-2(5)(-2)+4(-2)^2\\[According to PEMDAS, evaluate exponents (there is no evaluating in the parenthesis in the equation) next.]3(25)-2(5)(-2)+4(4)\\[According to PEMDAS, evaluate multiplication (there is no division) next.]75-(-20)+16\\[Subtracting a negative will grant you a positive.]75+20+16\\[Add 75 and 20.]95+16\\[Add 95 and 16.]111](/tpl/images/2458/0611/9eb26.png)
•If x = 5 and y = -2, what is the value of
3x2 – 2xy + 4y2?...
Mathematics, 08.09.2021 18:30 maria051002camp
•If x = 5 and y = -2, what is the value of
3x2 – 2xy + 4y2?
Answers: 3
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