Question

simplify the question or my life will go ​

Answer 1

Answer:

1 (x²+5)(2+2) - 3

Add the numbers: 2+2=4

= (x² + 5). +5) 4-3

= 4(x²+5)-3

Expand 4(x² +5 5): 4x² +20

= 4x² + 20-3 =17

Subtract the numbers: 20-3=17

= 4x + 17

(x+1)(x+2) - 4

Expand (x + 1)(x+2): x²+3x+2

2 = x + 3x + 2-4

Subtract the numbers: 2-4=-2

= x² + 3x-2

(a +2b)(a - b) + (a-2b)(a + b): -4b²

2a²

Steps

(a + 2b) (a−b) + (a− 2b)(a + b)

Show Steps Expand (a + 2b) (a - b): a² + ab- 2b²

=a² + ab - 2b²+ (a − 2b)(a + b) = -

Show Steps Expand (a − 2b) (a+b): a² - ab 2b²

=a² + ab - 2b² + a² - ab - 2b²

Simplify a² + ab - 2b²+ a²-ab-2b²: 2a²-4b²

= 2a² - 4b²

Hence the product (a + b) (a - b) (a² - ab + b²) (a² + ab + b²) is a⁶ - b⁶.

(x² - 4x + 1)(x-2)

Apply the distributive law: (a+b) (x+y+z) = ax +

(x² - 4x + 1)(x − 2) = x²x + x²(-2) - 4xx - 4x(-2 =x²x + x²(-2) - 4xx - 4x(-2) +1· X+1. (-2)

Simplify x²x + x²(-2) — 4xx - 4x(−2) +

= x² - 6x² + 9x-2

(a² − a +1)(a − 2) +5 -

Expand (a²-a + 1)(a − 2): a³ −3a²+3a −2

=a³-3a²+3a −2+5

Add the numbers: 2+5=3

= a³ - 3a²+3a +3

(x²-4) (x+2)+15

Expand (x²-4)(x+2): x² + 2x² - 4x −8

= x³ + 2x² - 4x −8+15

Add the numbers: - 8+15=7

= x³ + 2x² - 4x + 7

Step-by-step explanation:

(x²-5x+6) (x - 5) -5

Expand

1(x²-5x+6) (x-5): x³ - 10x²

+31x - 30

10x² +31x-30-5

Subtract the numbers: - 30-5= -35

= x³ - 10x² +31x - 35