Question

X square + 11 x + 30

Answer 1

Given,

${x}^{2} + 11x + 30$

using the identity (x + a )( x + b) = x² + x(a + b) + ab,

we will take a and b in such a way that their products = 30 and sum = 11

it is 6 × 5 = 30 and 6 + 5 = 11

so,
${(x)}^{2} + x(5 + 6) + 5 \times 6$

$= (x + 5)(x + 6)$
is the answer

Answer 2

x^2+6x+5x+30
x (x+6)+5 (x+6)
(x+5) (x+6) these are the factors
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