Question

factorise the following 2x²+18x+28​

Answer 1

Answer:

x=-7,-2

Step-by-step explanation:

2x^2+18x+28

2x^2+14x+4x+28

2x(x+7)+4(x+7)

(x+7)(2x+4)

now,

let,

x+7=0, 2x+4=0

so,x=-7. or. 2x=-4

so,x=-4/2

x=-2

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I hope it can help you