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

GDZ.ru offers step-by-step solutions for textbooks from 7th to 9th grade.

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:

Obozrevatel contains older editions (e.g., 2011, 2013) which are still widely used in many schools.

Divide both the numerator and denominator by

Suvorova: Gdz Po Algebre Iu.n. Makarychev, N.g Mindiuk.k.i. Neshkov, S.b

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

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

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

Obozrevatel contains older editions (e.g., 2011, 2013) which are still widely used in many schools. x2−9=(x−3)(x+3)x squared minus 9 equals open paren x

Divide both the numerator and denominator by