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Q: 4 squared plus 20

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3² + 20 ÷ 2² = 9 + (20 ÷ 4) = 14.

If you mean: x2+9x+20 then it is (x+4)(x+5) = 0 when factored

2^2 + 4^2 = 20

Assuming the thing is as written and there are no brackets missed out then it is just 4 squared times 3 = 16x3=48.

285

4, -5

4 squared plus 4 squared divided by 4 plus 4

41

x squared plus 9x plus 20.

1 squared plus 8 squared or 4 squared plus 7 squared

(-4,-6)

(x + 5) (x - 4)

8 = 4 + 4 = 2² + 2²

9x squared plus 16 = 0 factored is plus and minus 4/3 i.

9 plus 16=25 3 squared is the same as 3 times three and 4 squared is the same as 4 times 4 3 times 3 + 4 times 4 9 plus 16 = 25

(a + 2 - b) (a + 2 + b)

4(x+y)^2

The answer is 29. Bcause 2 squared is 4 & 5 squared is 25. 25+4=29.

It is (2x-5)(x-4) when factored

9x squared plus 16 = 0 factored is plus and minus 4/3 i.

x2 + 9x + 20 = 0 ∴(x + 4)(x + 5) = 0 ∴x ∈ {-5, -4}

That is 9 + 16 + 5 which is 30.

No because no 2 numbers can be squared to equal 4. 1 squared is 1 2 squared is 4 so the lowest answer is 5.

(3x+1)(2x+4)

4