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(4x+2)^2+16(4x+2)+80factorise plz give me ans ill mark you brainliest and give u 5 stars with a thank u |
Answer» Correction:» (4X + 2)² + 16 (4x + 2) - 80 Answer: » (4x + 2)² + 16 (4x + 2) - 80 Substitute (4x + 2) = y = y² + 16Y - 80 = y² + 20Y - 4y - 80 = y (y + 20) - 4 (y + 20) = (y + 20) (y - 4) Resubstitute y = (4x + 2) = (4x + 22) (4x - 2) |
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