Question

1
2) Simplify 4a (5a- 3 ) + 7 and find its value for a =1/2
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Answer 1

Answer:

6

Step-by-step explanation:

let p(a)= 4a(5a-3)+7

= 20a²-12a+7

$p({\frac{1}{2} } ) = 20 \times \frac{1}{4} - 12 \times \frac{1}{2} + 7 \\ p({\frac{1}{2} } ) = 5 - 6 + 7 \\ p({\frac{1}{2} } ) = 6$

Answer 2

iam not abal to c.hat with you on this ap.p

so any solution you have

or else iam going

..