Question

plese give me answer with method​

Answer 1

Answer:

1) 10

2) 0

3) 1

4) 10

5) 22

Step-by-step explanation:

1) If x = 2 of 2x²+3x-4

—› Substituting x = 2 in 2x²+3x-4

= 2(2)²+3(2)-4

= 8 + 6 - 4

Ans. 10

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2) If x = 1 of 3x²+4x-7

—› Substituting x = 1 in 3x²+4x-7

= 3(1)²+4(1)-7

= 3 + 4 - 7

Ans. 0

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3) If x = (-2) of 2x+5

—› Substituting x = (-2) in 2x+5

= 2(-2)+5

= -4 + 5

Ans. 1

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4) If x = (-1) of 2x³-4x+8

—› Substituting x = (-1) in 2x³-4x+8

= 2(-1)³-4(-1)+8

= -2 + 4 + 8

Ans. 10

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5) If x = 3 of 3x²-2x+1

—› Substituting x = 3 in 3x²-2x+1

= 3(3)²-2(3)+1

= 27 - 6 + 1

Ans. 22