Question

4x2 - 9x = 0;
9
x = 0,x=
4​

Answer 1

Answer:

if x=0 then answer is 8

if x=4 then answer is -28

Answer 2

Answer:

if x=0 then answer is 0

if x=4 then answer is 28

Step-by-step explanation:

•put x=0

4x²-9x=0

4(0)²-9(0)=0

0-0=0

0

• put x=4

4x²-9x=0

4(4)²-9(4)=0

4(16)-36=0

64-36=0

28