Instructions: Multiply.

01

of 05

## (x + 3)(x - 3)

**( x + 3)(x - 3) = **

*x*^{2}+ -9*Rewrite the minus sign.*

(*x*+ 3)(*x***+ -**3)***F**irst.**O**uter.**I**nner.**L**ast.

x*x*+*x** -3 + 3 **x*+ 3 * -3*Multiply.**x*^{2}+ -3*x*+ 3*x*+ -9*Simplify.*

x^{2}+ 0 + -9*x*^{2}+ -9

02

of 05

## (x - 6)(x + 4)

**( x - 6)(x + 4) = x^{2} + -2x + -24**

*Rewrite the minus sign.*

(*x***+ -**6)(*x*+ 4)**F**irst.**O**uter.**I**nner.**L**ast.*x***x*+*x** 4 + -6 **x*+ -6 * 4- Multiply.
*x*^{2}+ 4*x*+ -6*x*+ -24 *Simplify.***x**^{2}+ -2*x*+ -24

03

of 05

## (x - 8)(x - 9)

**( x - 8)(x - 9) = x^{2} + -17x + 72**

*Rewrite the minus signs.*

(*x***+ -**8)(*x***+ -**9)**F**irst.**O**uter.**I**nner.**L**ast.*x***x*+*x** -9 + -8 **x*+ -8 * -9- Multiply.
*x*^{2}+ -9*x*+ -8*x*+ 72 *Simplify.***x**^{2}+ -17*x*+ 72

04

of 05

## (5j + 11)(j + 1)

**(5 j + 11)(j + 1)= 5j^{2} + 16j + 11**

**F**irst.**O**uter.**I**nner.**L**ast.

5*j***j*+ 5*j** 1+ 11 **j*+ 11 * 1- Multiply.

5*j*^{2}+ 5*j*+ 11*j*+ 11 - Simplify.
**5***j*^{2}+ 16*j*+ 11

05

of 05

## (5p - 7)(4p + 3)

**(5 p - 7)(4p + 3)= 20p^{2} + -13p + -21**

- Rewrite the minus sign.

(5*p***+ -**7)(4*p*+ 3) **F**irst.**O**uter.**I**nner.**L**ast.

5*p** 4*p*+ 5*p** 3 + -7 * 4*p*+ -7 * 3- Multiply.

20*p*^{2}+ 15*p*+ -28*p*+ -21 - Simplify.
**20***p*^{2}+ -13*p*+ -21