Question

simplify 7x^2(3x-9)+3and find its value for x=4andx=6​

Answer 1

Answer:

If x=4,

7*(4)^2 (3*4-9) +3

Step-by-step explanation:

7*16 *(12-9) + 3

112*3+3

336+3

339

if x=6

7*(6)^2 (3*6 -9) +3

7*36*9+3

2268 + 3

2271