Question

15xsquareplus3xsquare-13plesse answer quick

Answer 1

Step-by-step explanation:

15 x^2 + 3 x^2 - 13 =0

18 x^2 -13=0

x^2= 13/15

x= root 13/15

Ans...

Answer 2

Answer:

221 is the answer

Step-by-step explanation:

${15 }^{2} + {3}^{2} + 3 \\ = 225 + 9 - 13\\ = 234 - 13 \\ = 221$

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