dad2582 dad2582

02-12-2016
Mathematics

contestada

(3a2 + 2a - 2) - (a2 - 3a + 7)

Respuesta :

apologiabiology apologiabiology

02-12-2016

remember to distribute invibile -1
simlify 2nd part
-(a^2-3a+7)=-1(a^2-3a+7)=-a^2+3a-7

now we have
3a^2+2a-2-a^2+3a-7=
3a^2-a^2+2a+3a-2-7=
2a^2+5a-9

Answer Link

Otras preguntas

The acronym for a common blood test that measures the number of rbcs, wbcs and platelets is

Jo Bower owns 150 shares of Data General stock. She purchased the stock for $24 a share. She sold her stock for $30 a share. The commissions required to buy and

Please help asap 25 pts

Please help!! Due tomorrow!!!

Jasper is a ten-year-old student with intellectual disabilities. According to idea, if he is placed in the least restrictive environment possible, he will recei

solve the proportion below 9/81=x/9 x= A.9 B.3 C.1 D.18

Witch type of protien embedded in the plasma membrane passivly allows molecules to move through the membrane

simplify 2/3[9n-(-15)]simplify (-a+100)1/5

Use the drop-down menus and your knowledge of roots to define each word. Corpulent: Dormancy: Regenerate:

The length of a rectangle is 4 inches longer than its width.If the perimeter of the rectangle is 48 inches, find its area.

RELAXING NOICE