It the talk empty side it will be 8 and the line will be 4 tell me if I am wrong
The coefficient of y∧15×∧2 in expansion of (y∧3+x)∧7 is (15×2)+(3×7)= 51
Answer:
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Step-by-step explanation:
I got it right on Khan Academy
Answer:
Part a)
Steve's expression is
For x=3, the expression is equal to 
Part b)
Jasmine's expression is

For x=2, the expression is equal to 
Step-by-step explanation:
Part a)
Let
n-----> the first term
The expression is


substitute
Steve's expression is

Evaluate for x=3

Part b)
Let
n-----> the first term
Jasmine's expression is

Evaluate for x=2

You use the distributive property to simplify expressions.
4x+3(2x+1)
2 times 2x is 6x
3 times 1 is 3
4x times 2x is 8x
4x times 1 is 4x
total that is 6x+8x+4x+3=18x+3
Hope it helps!