The value of 4x²+2x+1 when x is equal to
a) 15
b) 20
c) 18
d) 13
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1
Answer:
put Value in eq.
a)
4x² + 2x + 1
4 (15)² + 2 × 15 + 1
4 × 225 + 2 × 15 + 1
900 + 2 × 15 + 1
900 + 30 + 1
931
Therefore
4x² + 2x + 1 = 931
slove all one by one like this ok
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