elen65750 elen65750

22-04-2021
Mathematics

contestada

(a+2)(a-1) - (a+1)(a-2), if a = 2

Respuesta :

davidmedulla5 davidmedulla5

22-04-2021

Answer:

4

Step-by-step explanation:

(a+2)(a-1) - (a+1)(a-2)

put a=2

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

4*1 -3*0

4-0

4

Answer Link

Otras preguntas

Growth hormone: secretion results in a decrease in muscle mass, promotes long bone growth during formative years, is also called somatostatin, and is regulated

A reaction is second order in A and first order in B. (i) Write the differential rate equation. A) Rate = k[A]^2[B] B) Rate = k[A][B] C) Rate = k[A]^2 D) Rate =

The Smiths spent $147.32 on their first day of vacation. The next day they spent $119.86. By what amount did their spending decrease on the second day? a) $27.4

Delusions are to _____ as hallucinations are to _____.Select one:a. perceptions; thoughtsb. thoughts; feelingsc. perceptions; feelingsd. thoughts; perceptions

how many ones equal 50 tens?

Matching Alphabet letters to numbers

What had Mrs. Thayer's lover succeeded in doing?

A body is projected from the surface of a planet where the escape velocity is ve . If the speed of projection is 2ve , what will happen to the body? A) The bod

If two circles ( x − 1)² + (y − 3)² = r² and x² + y² − 8 x +2y + 8 = 0 intersect in two distinct points then_________.A. 2 < R < 8B. R < 2C. R = 2D. R

What term describes the percentage of the total volume of a rock that consists of pore spaces?