Quadratic Word Problem

QUADRATIC: WORD PROBLEM w L w = x l = 3x +7 A = lw ⟹ A = x(3x +7) ↕ A = 26 26 = x(3x +7) ↷ ↷ 26 = 3x + 2 21x 0 = 3x + 2 7x −26

−6x +13x = 7x (x −2)(13x +13) = 0 x −2 = 0 x = 2 3x +13 = 0 x = 3 −13