Answer:
m= -13
Step-by-step explanation:
step1: left part times 26 is m
step2: right part times 26 is -13
so m= -13
I think it’s the first one is not sure tho
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The answer is 15 or 3 I think but I'm not sure
You need to add the two quadratics together...
x^2+11x-6+6x^2-3x+9
7x^2+8x+3