Question

4. Find the value of given algebraic expression 1− 4x(yz+3xy), for x = 2,y = -1 and z = 3.
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Answer 1

Answer:

4x(yz+3xy), x= 2, y=-1 & z=3

4×2(-1×3+3×2×-1)

8(-3-6)

8×-9

-72

Answer 2

Answer:

1-4x(yz+3xy)

1-4×2(-1×3+3×2-1)

-7(-3+(-6))

-7(-3-6)

-7(-9)

-63