Question

5. Find the value of b if a = 2 where b = (2a - 3)(3a + 4) + (a + 2)(5a - 4)
45​

Answer 1

Answer:

b=1090

Step-by-step explanation:

b=[2(2)-3][3(2)+4]+[2+2][5(2)-4]45

b=[4-3][6+4]+[2+2][10-4]45

b=[1][10]+[4][6]45

b=10+24*45

b=10+1080

b=1090