Question

i) (x + 3) (x + 4)

step by step explained​

Answer 1

Step-by-step explanation:

it will be helpful for you

Answer 2

$\underline { \blue { By \: Algebraic \: Identity :}}$

$\boxed { \pink { (x+m)(x+n) = x^{2} + (m+n)x + mn }}$

$Now, (x+3)(x+4) \\= x^{2} + (3+4)x + 3 \times 4 \\= x^{2} + 7x + 12$

Therefore.,

$\red { (x+3)(x+4)} \green {= x^{2} + 7x + 12 }$

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