1) x^2 + 8x + 16 = (x + 4)(x + 4) = (x + 4)^2) b^2 + 10b + 25 = (b + 5)(b + 5) = (b + 5)^3) a^2 + 16a + 64 = (a + 8)(a + 8) = (a + 8)^4) a^2 - 14a + 49 = (a - 7)(a - 7) = (a - 7)^5) x^2 - 1.2x + 0.36 = (x - 0.6)(x - 0.6) = (x - 0.6)^6) y^2 + 1.8y + 0.81 = (y + 0.9)(y + 0.9) = (y + 0.9)^2
1) x^2 + 8x + 16 = (x + 4)(x + 4) = (x + 4)^
2) b^2 + 10b + 25 = (b + 5)(b + 5) = (b + 5)^
3) a^2 + 16a + 64 = (a + 8)(a + 8) = (a + 8)^
4) a^2 - 14a + 49 = (a - 7)(a - 7) = (a - 7)^
5) x^2 - 1.2x + 0.36 = (x - 0.6)(x - 0.6) = (x - 0.6)^
6) y^2 + 1.8y + 0.81 = (y + 0.9)(y + 0.9) = (y + 0.9)^2