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f(x)= x-4. find f(-1)

Expand : 4x2(x-y2)

ALGEBRA

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Testing basics of Algebra

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Questions 5

Answers

1
Expand : 4x²(x-y²)
4x3y2
4x3-y2
4x3+4x2y2
4x3-4x2y2
2
f(x)= x-4. find f(-1)
5
3
-5
-3
3
x+2x+3y=
6xy
3x+3y
x+5xy
2x+3xy
4
2xy+x²=
3x3y
2xy+x2
2xyx2
2x3y
5
g(x)=-x³ . find f(2)
6
8
-6
-8