Question

10. If 4x = 28, find the value of the expression 3x2 - 2x + 2.​

Answer 1

Answer:

-6

Step-by-step explanation:

value of x is 7

4×7=28

Answer 2

$\underline{\bigstar{\sf\ Given:-}}$

• 4x = 28

$\underline{\bigstar{\sf\ To\:Find:-}}$

• Value of expression- 3x² - 2x + 2

$\underline{\bigstar{\sf\ Solution:-}}$

Given,

4x = 28

x = $\frac {28}{4}$

x = 7

Put x = 7 in the given expression,

3 (7)² - 2(7) + 2

= 147 - 14 + 2

= 135

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