What should be value of a if the value of 5y2+2y -a is-3 for y= -3
Answers
Answered by
2
Step-by-step explanation:
5y² + 2y - a = -3 [y= -3]
5(-3)² + 2(-3) - a = -3
5(9) +2(-3) - a = -3
45 - 6 - a = -3
39 - a = -3
- a = -3 - 39
- a = - 42
a = 42
Similar questions