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Factorise 4x²+28x+13pls help me to solve this one please |
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Answer» Answer: FACTORING 4x2-28x+13 The first term is, 4x2 its coefficient is 4 . The middle term is, -28x its coefficient is -28 . The LAST term, "the CONSTANT", is +13 Step-1 : Multiply the coefficient of the first term by the constant 4 • 13 = 52 Step-2 : Find two factors of 52 whose SUM equals the coefficient of the middle term, which is -28 . -52 + -1 = -53 -26 + -2 = -28 That's it Step-3 : Rewrite the polynomial splitting the middle term using the two factors found in step 2 above, -26 and -2 4x2 - 26x - 2X - 13 |
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