mohima0015 mohima0015

09-10-2021
Mathematics

contestada

if x+y=7 and xy=10 find x2+y2+5xy

Respuesta :

softiran softiran

09-10-2021

Answer:

64

Step-by-step explanation:

x+y = 7

xy = 10

2x+2y+5xy = 2(x+y)+5(xy) = 2*7+5*10 = 14 + 50 = 64

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