x2−9=(x−3)(x+3)x squared minus 9 equals open paren x minus 3 close paren open paren x plus 3 close paren
For access to the full range of exercises from these authors, you can use these platforms: x2−9=(x−3)(x+3)x squared minus 9 equals open paren x
xv=−-42⋅1=42=2x sub v equals negative the fraction with numerator negative 4 and denominator 2 center dot 1 end-fraction equals four-halves equals 2 Plug back into the original equation: x2−9=(x−3)(x+3)x squared minus 9 equals open paren x
GDZ.ru offers step-by-step solutions for textbooks from 7th to 9th grade. x2−9=(x−3)(x+3)x squared minus 9 equals open paren x