Alegbros

Find x

100

 5x + 3 = 7x – 1

x=2

200

5x + 20 = 25

-1

300

-3 + 2x = 11

x=7

400

2x + 6 = 4x - 2

X=4

500

12x + 0 = 144

X=12

Solving quardatics

100

12 + 4r + 3 = 0

{-1,-3}

200

12+x-2=0

{-2,1}

300

12 - 10x + 21 = 0

{3,7}

400

12 + 6x - 27 = 0

{-9,3}

500

12-r - 20 = 0

{-4,5}

Mutiply and divide exponents

100

 (5x^7 )^2

2 5x^14

200

(x^3y^3)^3 • xy^2

x^10 y^11

300

(3x^3 y)^4 - (7x^5 y)^2 • x^2 y^2

32x^12 y^4

400

a^3 • (-a^2b)^4

-a^11 b^4

500

12w^9v^4 /(4wv)^2

3w^7 u^2 / 2

Factor and polynomials

100

18x^4/6x^2 - 12x^2/6x^2

6x^2(3x^2-2)

200

14x/7x - 21x^2/7x

7x(2-3x)

300

a^2b^2/a + a/a

a(ab^2+1)

400

10x^2/5x + 5x/5x

5x(2x+1)

500

5a^2/5 - 15/5

5(a^2-3)

Radicals

100

n^2-64

(n-8) (n+8)

200

c^2-100

(c-10)(c+10)

300

k^2+25

no factor

400

81-x^2

(x-9) (x+9)

500

9b^2-100

(3b-10) (3b+10)