Algebra lesson 10 homework help

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Simplify by multiplying the expressions.

(x + 8) (x – 8)

(y + 10)(Y – 10)

(m – 4)(m + 4)

(n – 9)(n + 9)

(3x + 1)(3x – 1)

(5c + 4)(5c – 4)

(11z – 7)(11z + 7)

(20x + 9)(20x – 9)

(8x + 3y)(8x – 3y)

(5r + 7s)(5r – 7s)

(a + 1/2)(a – 1/2)

(x² + 8)(x² – 8)

(r + .5)(r – .5)

(ab + 8)(ab – 8)

(3/4c + d)(3/4c – d)

(r³ – 2s²)(r³ + 2s²)

(a + 5)(a – 5)(a²– 25)

(a + b)(a – b) (a² – b²)

(5c²d³ – 7e⁵)(5c²d³ – 7e⁵)

(m² + n²)(m² – n²)(m⁴ +n⁴)