Quick Algebra Review

7(11k + 12) + 9k

• 77k + 84

• 17k + 84 + 9k

• 86k + 84

• 63k + 84

Simplify:   -8 - 9(5 + 2x)

• -5 - 2x

• -18x - 53

• -53 + 18x

• 18x - 53

-9(-5p + 5) + 8(4p - 5)

• 81p - 85

• 82p - 85

• 77p - 85

• -16p + 90 - 4p²

Expand (x + 5)(x + 4)

• x² + 9x + 20

• x² + 20x + 20

• 5x² + 20

• x² + 6x + 9

(3-2x)(5-4x)

• 15+2x+8x²

• 20+2x+8x²

• 15-22x+8x²

• 15+2x-8x²

(2w+1)(2w-1)

• 4w²+4w+1

• 4w²-1

• w²

Multiply
(x+5)²

• x²+25

• x²-25

• x²+10x+25

• x²-10x+25

(7r-6)(7r+6)

• 49r²+36

• 49r²-36

• 49r²+84r+36

• 49r²+42r+36

(u-5v)(u+5v)

• u²-25v²

• u²+25v²

• u²-10uv+25v²

• u²+10uv+25v²

Find the product.

(x + 4)(x - 4)

• x² -16

• x² +16

• x² - 8x -16

• x² - 8x +16