Answer:
x=4,-3
Explanation:
x^2+4x-9=5x+3
or,x^2+4x-5x-9-3=0
or,x^2-x-12=0
or,x^2-4x+3x-12=0
or,x(x-4)+3(x-4)=0
or,(x-4)(x+3)=0
or,(x-4)=0 OR (x+3)=0
or,x=4,x=-3
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