Question

6. Find value of 5x-4x2+3 at
a) x=0 b) x=-1 c) x=2
7. Divide 3x4-4x3-3x-1 by x-1.
8. Divide x3+1 by x+1.
9. Use suitable identities to find product
a) (x+4)(x+10)
b) (x+8)(x-10)
c) (3x+4) (3x-5)
d) (3-2x)(3+2x)
10. Evaluate the following product without multiplying directly:
a) 103×107
b) 95×96
c) 104×96

Answer 1

Answer:

6 ans is x -1

Step-by-step explanation:

5x-4×2+3

5x-8+3

5x-5

x = -5÷5

x = -1