Question

Simplify and find the value of -2t2+4r+5t-6r for t=-4 and r=2.​

Answer 1

Answer:

-56

Step-by-step explanation:

-2(-4)^2+4(2)+5(-4)-6(2)

=> -2(16)+8-20-12

=> -32+8-20-12

=> -64+8

= -56

Answer 2

Answer:

= -2t^2+4r+5t-6r

= -2(-4)^2+4(2)+5(-4)-6(2)

= -2(16)+8-20-12

= -32+8-20-12

= -24-20-13

= -44-12

= -56

Hope it helps u