Question

find the numerical value of the following expressions.
(a) 4x^2-5 when x= 3 class 7th,subject maths​

Answer 1

Answer:

the final answer is 31

Step-by-step explanation:

(4*3^2)-5

=(4*9)-5

=36-5

=31

Answer 2

Answer:

31

Step-by-step explanation:

$(4 \times 3 {}^{2} ) - 5 \\ = (4 \times 9) - 5 \\ = 36 - 5 \\ = 31$

hope it helps uhh