Since the question is 3(2a), then just write it out. 3(2a) is 2a+2a+2a or 6a.
2a*3 = 8+4a 6a = 8+4a 6a-4a = 8 2a = 8 a = 4
2a -3 means 2 times a minus 3 if a = 2 we have 2 x 2 - 3 = 4 - 3 = 1
(6ab + 9b)/(2a + 3) = 3b(2a + 3)/(2a + 3) = 3b
(6a3 - 19a2 + 15a)/(2a - 3) = a(6a2 - 19a + 15)/(2a - 3) = a(2a - 3)(3a -5)/(2a -3) = a(3a - 5)
9a +8 -2a -3 -5a = 2a +5
If ( a = 3 ), then ( 2a = 2 \times 3 = 6 ). Therefore, ( 18 ) divided by ( 2a ) is ( 18 \div 6 = 3 ). Thus, the result is ( 3 ).
2a*4b*(-3c) = ? 2 * 4 * -3 * a * b * c = ? -24abc
2a*3 = 8+4a 6a = 8+4a 6a-4a = 8 2a = 8 a = 4
2a -3 means 2 times a minus 3 if a = 2 we have 2 x 2 - 3 = 4 - 3 = 1
(6ab + 9b)/(2a + 3) = 3b(2a + 3)/(2a + 3) = 3b
2a-3+4b-2a-b-3+5=3b-1
2 + 4 = 6 x 3 = 18
9a +8 -2a -3 -5a = 2a +5
3+2*A+B*4/2-4 = 3 + 2A + 2B - 4 = 2A + 2B - 1
It is the expression 3 + 2a.
(6a3 - 19a2 + 15a)/(2a - 3) = a(6a2 - 19a + 15)/(2a - 3) = a(2a - 3)(3a -5)/(2a -3) = a(3a - 5)
9a +8 -2a -3 -5a = 2a +5