10
Step-by-step explanation:
6=2(-2)x5+4(-2)×2
6=-4×5-8×2
6=-20-8×2
6=-20-16
6=-36
Answer:
The value of the equation is 111.
Step-by-step explanation:
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[tex]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[/tex]
