Simplify and find the value of -2t2+4r+5t-6r for t=-4 and r=2.
a) -56
b) 65
c) -65
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Answered by
1
Answer:
Answer is A)- (-56).
Step-by-step explanation:
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Answered by
1
Answer:
-2t²+4r+5t-6r,t= -4 and r=2
-2(-4)²+4(2)+5(-4)-6(2)
-2(16)+8-20-12
-32+8-20-12
-64+8
-56
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