need help solving this don’t know where to start

[scarlet cape]

10 and 11 both a and b

[pastel pollen]

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[final oxide]

wait can you using a graphing calculator for both?

[scarlet cape]

Yes however I’m still having hard time finding the correct answer

[final oxide]

you first would want to combine everything to one side

[scarlet cape]

Okay

[final oxide]

then just punch it into the calc and find the zeroes

i dont know how to operate graphing calcs very well ive only seen my friends do it

so cant really help with that