Question

1
If x2
+
3
= 7, find the value of x3 +
x2
x​

Answer 1

Answer:

hope this helps :-)

Explanation:

x²+3=7

=>x²=7-3=4

=>x=√4=2

then,

x³+x²=(2)³+(2)²=8+4=12

Answer 2

Answer:

Here you go.

Explanation:

x2 + 3=7

So,

x = 7-3/2 (on transposing)

Thus, x = 4/2 = 2

Put the value of x in

x3 + x2

So,

2(3) + 2(2)

= 6 + 4

= 10

HOPE IT HELPS YOU!!!!

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